What Ten of the 50 digital video recorders (DVRs) in an inventory are known to be defective. What is the probability you randomly select an item that is not defective?

What Ten of the 50 digital video recorders (DVRs) in an inventory are known to be defective. What is the probability you randomly select an item that is not defective?
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It is 0.8
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Select the FALSE statement about an inventory system. A)The objective of minimum total inventory cost must be balanced against a customer service level necessary to maximise profits. B)EOQ is the size of inventory that minimises only the cost of carrying inventory. C)There is a tradeoff between inventory carrying costs and the probability of stockouts. D)Inventory carrying costs usually increase as the level of customer service increases.

Description : Select the FALSE statement about an inventory system. A)The objective of minimum total inventory cost must be balanced against a customer service level necessary to maximise profits. B)EOQ is ... of stockouts. D)Inventory carrying costs usually increase as the level of customer service increases.

Last Answer : B)EOQ is the size of inventory that minimises only the cost of carrying inventory.

In a perpetual inventory system, a return of defective merchandise by a purchaser is recorded by crediting a. Purchases. b. Purchase Returns. c. Purchase Allowance. d. Merchandise Inventory.

Description : In a perpetual inventory system, a return of defective merchandise by a purchaser is recorded by crediting a. Purchases. b. Purchase Returns. c. Purchase Allowance. d. Merchandise Inventory.

Last Answer : d. Merchandise Inventory.

In a perpetual inventory system, a return of defective merchandise by a cash customer is recorded by crediting a. Accounts Payable and Cash. b. Merchandise Inventory and Cost of Goods Sold c. Purchases Returns and Allowances and Merchandise Inventory. d. .Cash and Cost of Goods Sold.

Description : In a perpetual inventory system, a return of defective merchandise by a cash customer is recorded by crediting a. Accounts Payable and Cash. b. Merchandise Inventory and Cost of Goods Sold c. Purchases Returns and Allowances and Merchandise Inventory. d. .Cash and Cost of Goods Sold.

Last Answer : d. .Cash and Cost of Goods Sold.

In a batch of 1160 calculators 5 were found to be defective. What is the probability that a calculator chosen at random will be defective Write the probability as a percent. Round to the nearest tenth?

Description : In a batch of 1160 calculators 5 were found to be defective. What is the probability that a calculator chosen at random will be defective Write the probability as a percent. Round to the nearest tenth?

Last Answer : What is the answer ?

A box contains 15bolts of which 5 are defective. If 5 bolts are selected at random from the box, what is the probability that at least one of them is defective? a) 91/143 b) 101/143 c) 111/143 d) 121/143 e) 131/143

Description : A box contains 15bolts of which 5 are defective. If 5 bolts are selected at random from the box, what is the probability that at least one of them is defective? a) 91/143 b) 101/143 c) 111/143 d) 121/143 e) 131/143

Last Answer : Probability that at least one is defective = 1 – probability that none is defective Probability that none is defective = 10C5 / 15C5 = 12/143 Required Probability = 1-12/143 = 131/143 Answer: e)

A cartoon contains 15 torch lights out of which 3 are defective. Two torch light are chosen at random from this cartoon. The probability that at least one of these is defective is. A) 13/35 B) 14/35 C) 11/35 D) 17/35

Description : A cartoon contains 15 torch lights out of which 3 are defective. Two torch light are chosen at random from this cartoon. The probability that at least one of these is defective is. A) 13/35 B) 14/35 C) 11/35 D) 17/35

Last Answer : Answer: A) P (none is defective) = 12c2/15c2 = (12*11/2*1)/(15*14/2*1) = 66/105=22/35 P (at least one is defective) = (1 – 22/35) =13/35

Could the person who put the defective item out by the trash be sued if someone picked it up, tried to use it, then got hurt?

Description : Could the person who put the defective item out by the trash be sued if someone picked it up, tried to use it, then got hurt?

Last Answer : No, you would absolutely not get in trouble. It was in the trash!

750 families with 3 children were selected randomly and the following data recorded If a family member is chosen at random, compute the probability that it has : -Maths 9th

Description : 750 families with 3 children were selected randomly and the following data recorded If a family member is chosen at random, compute the probability that it has : -Maths 9th

Last Answer : (i) P(no boy child) =100 / 750 = 2 / 15 (ii) P (no girl child) = 120 /750 =4 / 25

750 families with 3 children were selected randomly and the following data recorded If a family member is chosen at random, compute the probability that it has : -Maths 9th

Description : 750 families with 3 children were selected randomly and the following data recorded If a family member is chosen at random, compute the probability that it has : -Maths 9th

Last Answer : (i) P(no boy child) =100 / 750 = 2 / 15 (ii) P (no girl child) = 120 /750 =4 / 25

If three natural numbersfrom 1 to 100 are selected randomly, then the probability that all are divisible by both 2 and 3 is -Maths 9th

Description : If three natural numbersfrom 1 to 100 are selected randomly, then the probability that all are divisible by both 2 and 3 is -Maths 9th

Last Answer : (c) \(rac{4}{1155}\)Let n(S) = Number of ways of selecting 3 numbers from 100 numbers = 100C3 Let E : Event of selecting three numbers divisible by both 2 and 3 from numbers 1 to 100 = Event of selecting three ... C_3}{^{100}C_3}\) = \(rac{16 imes15 imes14}{100 imes99 imes98}\) = \(rac{4}{1155}\).

6 boys and 6 girls are sitting in a row randomly. The probability that boys and girls sit alternately is -Maths 9th

Description : 6 boys and 6 girls are sitting in a row randomly. The probability that boys and girls sit alternately is -Maths 9th

Last Answer : (b) \(rac{1}{462}\)Let S be the sample space. Then, n(S) = Number of ways in which 6 boys and 6 girls can sit in a row = 12! Let E : Event of 6 girls and 6 boys sitting alternately. Then, the ... )= \(rac{2 imes6 imes5 imes4 imes3 imes2 imes1}{12 imes11 imes10 imes9 imes8 imes7}\) = \(rac{1}{462}\).

There are 10 cards numbered from 1 to 10 in a box. If a card is drawn randomly, then find the probability of getting an even numbered card.

Description : There are 10 cards numbered from 1 to 10 in a box. If a card is drawn randomly, then find the probability of getting an even numbered card.

Last Answer : There are 10 cards numbered from 1 to 10 in a box. If a card is drawn randomly, then find the probability of getting an ... B. `1/5` C. `2/5` D. `1/2`

In a school, 22% of the students are sixth graders. What is the probability that a randomly chosen student will not be a sixth grader?

Description : In a school, 22% of the students are sixth graders. What is the probability that a randomly chosen student will not be a sixth grader?

Last Answer : 50 percent

In a large population, 54 % of the people have been vaccinated. If 5 people are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated?

Description : In a large population, 54 % of the people have been vaccinated. If 5 people are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated?

Last Answer : We will use Q and P to help solve this problem with Q representing the possibility that none of the randomly selected people are vaccinated and P representing the possibility that at least 1 randomly selected ... -0.0206=0.9794. The probability that at least 1 person has been vaccinated is 0.9794.

A box contains 4 green, 5 red and 6 white balls. Three balls are drawn randomly. What is the probability that the balls drawn are of different colours? a) 24/91 b) 67/91 c) 21/91 d) 70/91 e) 3/13

Description : A box contains 4 green, 5 red and 6 white balls. Three balls are drawn randomly. What is the probability that the balls drawn are of different colours? a) 24/91 b) 67/91 c) 21/91 d) 70/91 e) 3/13

Last Answer : Answer is: a)

A bag contain 4 white & 5 red and 6blue color balls,3 balls are drawn randomly.What is the probability of all the balls are red? 1)1/22 2)3/22 3)2/90 4)2/91

Description : A bag contain 4 white & 5 red and 6blue color balls,3 balls are drawn randomly.What is the probability of all the balls are red? 1)1/22 2)3/22 3)2/90 4)2/91

Last Answer : 4)2/91 Exp: 15C3/5C2=(15×14×13)/(3×2×1)=10/455=2/91

In a recent research study initiated by Tel-E-Fone Telecommunications, survey calls were made to a randomly selected group in which every member has an equal chance of selection. This type of sample selection is called A. Probability sample B. Convenience sample C. Judgment sample D. Quota sample E. Area sample

Description : In a recent research study initiated by Tel-E-Fone Telecommunications, survey calls were made to a randomly selected group in which every member has an equal chance of selection. This type of sample selection ... sample B. Convenience sample C. Judgment sample D. Quota sample E. Area sample

Last Answer : A. Probability sample

What is the probability that a randomly selected bit string of length 10 is a palindrome? (A) 1/64 (B) 1/32 (C) 1/8 (D) ¼

Description : What is the probability that a randomly selected bit string of length 10 is a palindrome? (A) 1/64 (B) 1/32 (C) 1/8 (D) ¼

Last Answer : (B) 1/32

A box contains 5 cone and 4 chocobar ice-creams. Preethi eats 3 of them, by randomly choosing. What is the probability of choosing 1 chocobar and 2 cone ice-creams? a) 63/10 b) 20/63 c) 10/63 d) 63/20

Description :  A box contains 5 cone and 4 chocobar ice-creams. Preethi eats 3 of them, by randomly choosing. What is the probability of choosing 1 chocobar and 2 cone ice-creams? a) 63/10 b) 20/63 c) 10/63 d) 63/20

Last Answer :  Answer: C) Probability of choosing 1 cone= 5/9 After taking out 1 cone, the total number is 8 . Probability of choosing 2nd cone = 4/8 Probability of choosing 1chocobaricecream out of a total of 7 = 4/7 So the final probability of choosing 2 cone and 1chocobar ice cream = 5/9*1/2*4/7 =10/63

Which single phase ac motor will you select for record players and tape recorders?

Description :  Which single phase ac motor will you select for record players and tape recorders?  a) Hysteresis motor b) Shaded pole motor c) Reluctance motor d) Two value capacitor motor

Last Answer : Which single phase ac motor will you select for record players and tape recorders?  Hysteresis motor

Portable Digital Mixers / Multi Track Recorders?

Description : Portable Digital Mixers / Multi Track Recorders?

Last Answer : Recording technology seems to be evolving faster than the speedof sound. Ten years ago, engineers were just starting to seriouslyconsider recording digitally and now it's the industry standard.Thanks to this ... -tracks. It has all thefamiliar knobs and buttons, but there's simply no tape. In

Digital magnetic tape recorders used to store and retrieve digital data fall into what three categories?

Description : Digital magnetic tape recorders used to store and retrieve digital data fall into what three categories?

Last Answer : a. Computer-compatible digital tape recorders. b. Telemetry digital tape recorders. c. Instrumentation digital tape recorders

Which digital data encoding method helps overcome a tape recorder’s low-frequency response problems by recording two logic levels for each incoming data bit?

Description : Which digital data encoding method helps overcome a tape recorder’s low-frequency response problems by recording two logic levels for each incoming data bit?

Last Answer : Bi-phase level encoding.

Is it possible to hook up two DVR's to one TV?

Description : Is it possible to hook up two DVR's to one TV?

Last Answer : Are you trying to record two shows at once?

Are there any DVR's that don't require a monthly fee?

Description : Are there any DVR's that don't require a monthly fee?

Last Answer : Alot of DVR's are through cable company's and most of them do require an additional montly fee . I do not know of any at this time that you can buy that do not require an additional fee for using .

Are there any DVR's that have over 80 hours of programming?

Description : Are there any DVR's that have over 80 hours of programming?

Last Answer : Any DVR can be uprgaded with another hard drive to allow for as much space as you need.

Are there any DVR's that can record two shows at once?

Description : Are there any DVR's that can record two shows at once?

Last Answer : Most DVR's can record two shows at once with ease , but it depends on what DVR you have and if it provides this feature or not . All in all though most DVR's are capable of this feature .

CCTV DVRs: Recording Surveillance Videos?

Description : CCTV DVRs: Recording Surveillance Videos?

Last Answer : A CCTV system depends on a reliable recording device to store surveillance videos. A DVR (Digital Video Recorder) acts as the hard drive in a security camera system. The most important features of a DVR ... HDMI, VGA, DVI, and A/V connections, which are used to connect to HDTVs and computers.

In a factory 50 out of 1000 pens are found to be defective. What percentage of the pens is defective?

Description : In a factory 50 out of 1000 pens are found to be defective. What percentage of the pens is defective?

Last Answer : 5% of them

Why does IE decide to randomly open 50 new tabs of the last page I was on?

Description : Why does IE decide to randomly open 50 new tabs of the last page I was on?

Last Answer : use firefox? if you have a reason not to use firefox, try reinstalling.

You are about to be executed, but the king gives you a chance. He says that he will divide 100 marbles in half. 50 of them are black and 50 are white. You can arrange them however you like into two bowls, but you must use all the marbles. The king will then blindfold you and switch them around. Then you choose a single marble from whichever bowl you put your hand randomly in. If you choose a white marble you can live, but if you choose a black one you die. How do you divide the marbles so there is a 50-50 chance you will live? -Riddles

Description : You are about to be executed, but the king gives you a chance. He says that he will divide 100 marbles in half. 50 of them are black and 50 are white. You can arrange them however you like into two ... one you die. How do you divide the marbles so there is a 50-50 chance you will live? -Riddles

Last Answer : You need to put one white marble in one of the bowls. Then the remaining 49 go with the 50 black marbles. Then you will have a good chance of living.

The charge nurse reported to the chief nurse that the Demerol 50 cc vial inventory has been incorrect for the last 24 hours. The most appropriate action of the narcotic nurse is: A. Log every injection of Demerol B. Make fraction dosage like 0.5 ml as 1 ml C. Demerol inventory must be checked every endorsement by the narcotic nurse D. Review endorsement of clients who received Demerol within the last 24 hours

Description : The charge nurse reported to the chief nurse that the Demerol 50 cc vial inventory has been incorrect for the last 24 hours. The most appropriate action of the narcotic nurse is: A. Log ... by the narcotic nurse D. Review endorsement of clients who received Demerol within the last 24 hours

Last Answer : D. Review endorsement of clients who received Demerol within the last 24 hours

Process B had no opening inventory. 13,500 units of raw material were transferred in at Rs 4.50 per unit. Additional material at Rs1.25per unit was added in process. Labour and overheads were Rs 6.25 per completed unit and Rs 2.50 per unit incomplete. If 11,750completed units were transferred out, what was the closing inventory in Process B? (a) Rs. 6562.50 (b) Rs. 12,250.00 (c) Rs. 14,437.50 (d) Rs. 25,375.00

Description : Process B had no opening inventory. 13,500 units of raw material were transferred in at Rs 4.50  per unit. Additional material at Rs1.25per unit was added in process. Labour and overheads were Rs 6.25  per completed unit and Rs ... 6562.50 (b) Rs. 12,250.00 (c) Rs. 14,437.50 (d) Rs. 25,375.00

Last Answer : (a) Rs 142,485

What will happen if I attempt to swap chips in two identical voice memo recorders?

Description : What will happen if I attempt to swap chips in two identical voice memo recorders?

Last Answer : 90% sure that swapping the chips would be effective. Chips are solid state and your thoughts are stored digitally. When your voice recorder went into the wash, it died because the electronics (battery to chip ... in the new device, you will be successful. It would be a great experiment. Let us know.

What's the difference between the 2 different Dazzle DVD recorders?

Description : What's the difference between the 2 different Dazzle DVD recorders?

Last Answer : Do you have a link to these products?

Where do I buy Mac audio recorders?

Description : Where do I buy Mac audio recorders?

Last Answer : Mac audio recorders can be very useful or entertaining. They are capable of recording from programs like Skype,and iTunes. It also is capable of recording from a microphone. You can purchase them directly from the Mac website. http://www.macsome.com/audio-recorder-mac/index.html

What is the best brand of dvr recorders?

Description : What is the best brand of dvr recorders?

Last Answer : I find the panasonic DMR-EZ28K DVD recorder with an ASTC Tuner to be the best brand since tv has gone digital and is no longer anolog. It plays DVD's with numerouse different recording formats, has an ... DV so you can record from your digital camera/camcorder, an also has 1080p via an HDMI output.

Are DVD recorders now obsolete?

Description : Are DVD recorders now obsolete?

Last Answer : It depends on whether a DVD recorder would be more cost effective or useful to you than a TIVO. If a DVD player fufills the function that you are looking for, and is cheaper than a TIVO, it would be a good idea to get the DVD player.

Will tv recorders work for ATT UVerse, or do I have to use the DVR that they provide?

Description : Will tv recorders work for ATT UVerse, or do I have to use the DVR that they provide?

Last Answer : While using the DVR that ATT UVerse provides is much easier, it is not impossible to use other TV recorders. ATT UVerse is not fully compatible nationwide with every TiVO for instance, but it ... Some more information can be found at http://www.tivocommunity.com/tivo-vb/showthread.php?t=351670.

Do You Know How Is Automatic Reference Junction Compensation Carried Out In Temperature Recorders?

Description : Do You Know How Is Automatic Reference Junction Compensation Carried Out In Temperature Recorders?

Last Answer : In automatic reference junction compensation, variable nickel resistor is used. As the temperature changes, so does its resistance. This reference junction compensator is located, so that it will be ... the thermocouple is rejoined. This joint is invariably at the terminal strip of the instrument.

How Is Automatic Reference Junction Compensation Carried Out In Temperature Recorders?

Description : How Is Automatic Reference Junction Compensation Carried Out In Temperature Recorders?

Last Answer : In automatic reference junction compensation, variable nickel resistor is used. As the temperature changes, so does its resistance. This reference junction compensator is located, so that it will be ... the thermocouple is rejoined. This joint is invariably at the terminal strip of the instrument.

Write About Co2 Recorders?

Description : Write About Co2 Recorders?

Last Answer : In thermal power plants, it is necessary to keep the concentration Of CO2 is low is necessary as possible. To achieve this, a constant recording of concentration Of CO2 These recorders ... different principles, as given below.  Thermal conductivity cell  Chemical absorption cell  Density balance

What type of reeling system best controls a tape recorder's tape tension during starts and stops?

Description : What type of reeling system best controls a tape recorder's tape tension during starts and stops?

Last Answer : A tape buffering reeling system

What are the four basic parts of a magnetic tape recorder's tape transport system?

Description : What are the four basic parts of a magnetic tape recorder's tape transport system?

Last Answer : a. Tape reeling system. b. Tape speed control system. c. Electronic subsystem. d. Basic enclosure.

What causes flutter in a tape recorder’s output?

Description : What causes flutter in a tape recorder’s output?

Last Answer : Non-uniform tape motion caused by variations in tape speed.

What number harmonic is the primary harmonic distortion in magnetic tape recorders?

Description : What number harmonic is the primary harmonic distortion in magnetic tape recorders?

Last Answer : Third-order harmonic.

A recorder’s harmonic-distortion specification reads 2% third harmonic of a 100-kHz signal at 60 ips. What does this mean?

Description : A recorder’s harmonic-distortion specification reads 2% third harmonic of a 100-kHz signal at 60 ips. What does this mean?

Last Answer : The recorder has 2% third-harmonic distortion of a 100-kHz signal at 60 ips.

List four factors that can degrade the frequency response of magnetic tape recorders.

Description : List four factors that can degrade the frequency response of magnetic tape recorders.

Last Answer : a. A too-high or too-low bias signal level setting for the record head. b. An improper reproduce head gap. c. An improper tape transport speed. d. Poor tape-to-head contact.

Technical manuals for tape recorders can state the SNR in what three different ways?

Description : Technical manuals for tape recorders can state the SNR in what three different ways?

Last Answer : a. Root-mean-square (RMS) signal-to-RMS noise. b. Peak-to-peak signal-to-RMS noise. c. Peak signal-to-RMS noise.

You plan to measure your tape recorder’s SNR. What test equipment will you need?

Description : You plan to measure your tape recorder’s SNR. What test equipment will you need?

Last Answer : A VTVM and a signal generator.