In a box, there are 20 marbles. Each marble is marked with a distinct number from 1 to 20. Find the probability of drawing a marble from the box which

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In a box, there are 20 marbles. Each marble is marked with a distinct number from 1 to 20. Find ... is marked with a number that is a perfect square.

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Description : There are 20 marbles in a box which are marked with distinct numbers from 1 to 20. If a marble is drawn, then find the probability that the marble bei

Last Answer : There are 20 marbles in a box which are marked with distinct numbers from 1 to 20. If a marble is drawn, then find the ... `2//5` C. `1//5` D. `4//5`

Description : How do you find the probability of 4 blue marbles 5 red marbles 1 green marble and 2 black marbles?

Last Answer : It depends what probability exactly you want to find.probability = number of successful ways / total number of waysIf the problem is:You have a bag containing 4 blue, 5 red, 1 green, 2 black marble what is the probability of ... 2 black)= 16/144 + 25/144 + 1/144 + 4/144 = 46/144 = 23/72And so on.

Description : What are the least numbers of packs of yellow marbles and blue marbles a person would have to buy t ohave the same number of each color of marble?

Last Answer : That would depend on how many yellow and blue marbles are in apack. If yellow and blue marbles are sold separately and there arethe same number of marbles in a pack, buy one of each. That'sprobably not the case.

Description : You are given a set of scales and 12 marbles. The scales are of the old balance variety. That is, a small dish hangs from each end of a rod that is balanced in the middle. The device enables ... than the others. You are asked to both identify it and determine whether it is heavy or light -Riddles

Last Answer : Most people seem to think that the thing to do is weight six coins against six coins, but if you think about it, this would yield you no information concerning the whereabouts of the only different coin. ... . The heavier one is the different coin. If they balance, then 2 is a different light coin.

Description : A box contains 3red, 8 blue and 5 green marker pens. If 2 marker pens are drawn at random from the pack, not replaced and then another pen is drawn. What is the probability of drawing 2 blue marker pens and 1 red marker pen? a) 3/20 b) 1/20 c) 7/20 d) 9/20

Last Answer : Answer: B) Probability of drawing 1 blue marker pen =8/16 Probability of drawing another blue marker pen = 7/15 Probability of drawing 1 red marker pen = 3/14 Probability of drawing 2 blue marker pens and 1 red marker pen = 8/16*7/15*3/14=1/20

Description : There are 55 marbles and 100 bags. You need to put every marble in a way that the 1st bag has 1 marbles, the 2nd bag has 2 marbles and so on. How many bags will you need to use 55 marbles? -Riddles

Last Answer : 55 bags. Put a marble in the first bag then the bag goes in the second bag with 1 marble, making the second have 2 marbles. Repeat this until use 55 marbles, in total,the 55th bag has 55 marbles.

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.

Description : A king decided to let a prisoner try to escape the prison with his life. The king placed 2 marbles in a jar that was glued to a table. One of the marbles was supposed to be black, and one was ... and that the prisoner was mute so he could not say anything, how did he escape with his life? -Riddles

Last Answer : The prisoner grabbed one of the marbles from the jar and concealed it in his hand. He then swallowed it, and picked up the other marble and showed everyone. The marble was black, and since the other marble was swallowed, it was assumed to be the blue one. So the mean king had to set him free

Description : A letter lock consists of four rings each marked with five different letters. The number of distinct unsuccessful attempts to open the lock is at the most -. a) 625 b) 676 c) 576 d) 624 e) 575

Last Answer : d Since each ring consists of five different letters, the total number of attempts possible with the four rings is =5 * 5 * 5 * 5 = 625. Of these attempts, one of them is a successful attempt. Maximum number of unsuccessful attempts = 625 - 1 = 624.

Description : When a population is divided into distinct groups based on some particular characteristic and a probability sample is taken from each group, this exemplifies: A)area sampling B)quota sampling C)stratified sampling D)cluster sampling E)simple random sampling

Last Answer : D)cluster sampling

Description : Sharks and dogfishes differ from skates and rays because (a) gill slits are ventrally placed (b) head and trunk are widened considerably (c) distinct demarcation between body and tail (d) their pectoral fins distinctly marked off from cylindrical bodies

Last Answer : (d) their pectoral fins distinctly marked off from cylindrical bodies

Description : Sharks and dogfishes differ from skates and rays because (a) gill slits are ventrally placed (b) head and trunk are widened considerably (c) distinct demarcation between body and tail (d) their pectoral fins distinctly marked off from cylindrical bodies.

Last Answer : (d) their pectoral fins distinctly marked off from cylindrical bodies.

Description : If you have two decks of cards and draw a card from each at random. What is the probability of drawing a number smaller than 5 from the first deck and a jack from the second one?

Last Answer : ask from anyone else

Description : Picture three boxes containing fruit. The first box is marked peaches, the second is marked oranges, and the third box is marked peaches and oranges. Each of the boxes is labeled incorrectly. How could ... box correctly if you were allowed to select only one fruit from one of the boxes? -Riddles

Last Answer : First you select a fruit from the box marked peaches and oranges. If it was a orange you selected, you know that the box could only contain oranges. If it was a peach, you know that ... that box oranges and switch the other two incorrect labels around. Now all three would be correctly labeled.

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

Description : what- At a toy store, all marbles are the same price and all jacks are the same price.William buys 10 marbles and 12 jacks for $1.60. Katie buys 5 marbles and 20 jacks for $1.50. Which statement must be true?

Last Answer : Each marble costs 10 cents and each jack costs 5 cents.

Description : A boy has given `7//12` of his marbles to his friend and is left with only 20 marbles. Find how many marbles he had with him initially

Last Answer : A boy has given `7//12` of his marbles to his friend and is left with only 20 marbles. Find how many marbles he had with him initially

Description : A box contains 50 tickets. Each ticket is numbered from 1 to 50. One ticket is selected at random, find the probability that the number on the ticket

Last Answer : A box contains 50 tickets. Each ticket is numbered from 1 to 50. One ticket is selected at random ... number on the ticket is not a perfect square.

Description : A bag contains 7 red and 5 green balls. The probability of drawing all four balls asred balls, when four balls are drawn at random is -Maths 9th

Last Answer : (b) \(rac{7}{99}\)There are (7 + 5) = 12 balls in the bag. 4 balls can be drawn at random from 12 balls in 12C4 ways. ∴ n(S) = 12C4 = \(rac{|\underline{7}}{|\underline3|\underline4}\) = \(rac{7 imes6 imes5}{3 ... ) = 35∴ Required probability = \(rac{n(A)}{n(S)}\) = \(rac{35}{495}\) = \(rac{7}{99}\).

Description : probability of drawing a vowel from the word gwinnett county?

Last Answer : 41730

Description : What is the probability of drawing a 6-inch pair of pliers from the first basket without looking?

Last Answer : To answer that we need to know how many baskets there are andhow many of the different things there are in each basket.Else - If there were only pliers in the first basket OR therewas only one set of pliers and nothing else then the probility isat 100% that you'll get them on first seclection

Description : A pack contains 4 blue, 2 red and 3 black pens. If a pen is drawn at random from the pack, replaced and the process repeated 2 more times, what is the probability of drawing 2 blue pens and 1 black pen? a) 16/243 b) 16/283 c) 14/243 d) 23/729

Last Answer : a) 16/243

Description : What is the probability of drawing a jack and a queen consecutively from a deck of 52 cards, without replacement? a) 4/664 b) 8/52 c) 4/663 d) 4/52

Last Answer : Answer: C)  Probability of drawing a jack = 4/52 = 1/13 After drawing one card, the number of cards are 51. Probability of drawing a queen = 4/51. Now, the probability of drawing a jack and queen consecutively is 1/13 * 4/51 = 4/663

Description : Consider a pack contains 2black, 9 white and 3 pink pencils. If a pencil is drawn at random from the pack, replaced and the process repeated 2 more times, What is the probability of drawing 2 black pencils and 1 pink pencil? a)3/ 49 b)3/686 c)3/14 d)3/545

Last Answer : Answer: B) Here, total number of pencils = 14 Probability of drawing 1 black pencil = 2/14 Probability of drawing another black pencil = 2/14 Probability of drawing 1 pink pencil = 3/14 Probability of drawing 2 black pencils and 1 pink pencil = 2/14 * 2/14 * 3/14 = 3/686

Description : Article marked By parcel post' found in letter box a) The official detecting the irregularity should be make a not of it in his error book. b) In POs the article should be transferred to ... article should be marked found in letter box' transferred to Parcel Sorting Assistant d) All the above

Last Answer : d) All the above

Description : There are 100 cards numbered from 1 to 100 in a box. If a card is drawn from the box and the probability of an event is 1/2, then the number of favour

Last Answer : There are 100 cards numbered from 1 to 100 in a box. If a card is drawn from the box and the probability of ... is ________. A. 20 B. 25 C. 40 D. 50

Description : Twice the number of marbles with Aman exceeds thrice the number of marbles with Vinay by 12. Assume the number of marbles with Aman and Vinay as x and y respectively .Express the statement in the form of a linear equation in two variables. -Maths 9th

Last Answer : answer:

Description : Which is the least number of marbles which can be shared equally among 3,9,or 12?

Last Answer : 36

Description : A box contains 100 balls numbers from 1 to 100. If three balls are selected at random and with replacement from the box, what is the probability -Maths 9th

Last Answer : (d) \(rac{1}{4}\)The box contains 100 balls numbered from 1 to 100. Therefore, there are 50 even and 50 odd numbered balls. The sum of the three numbers drawn will be odd, if all three are odd or one is even and 2 are odd. ∴ Required probability = P(odd) × P(odd) × P(odd) + P(even) × P(odd) × P(odd)

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`

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)

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)

Description : A box contains 2 black, 3 orange and 4 pink ribbons. If two ribbons are drawn at random. What is the probability that both are orange? 1) 5/12 2) 1/13 3) 1/14 4) 1/12 5) 1/24

Last Answer : 4) 1/12

Description : Which one of the following statements is incorrect ? (A) Pareto analysis is a statistical method used for analyzing causes, and is one of the primary tools for quality management. (B) Reliability of ... (D) In white-box testing, the test cases are decided from the specifications or the requirements.

Last Answer : (D) In white-box testing, the test cases are decided from the specifications or the requirements.

Description : There are three cards in a box. Both sides of one card are black, both sides of one card are red, and the third card has one black side and one red side. We pick a card at random and observe only one side. What is the ... the same colour as the one side we observed? (A) 3/4 (B) 2/3 (C) 1/2 (D) 1/3 

Last Answer : (B) 2/3

Description : Has Elon Musk "lost his marbles"?

Last Answer : One minute “We’re going to Mars and live there” then suddenly let’s riddled the Earth with car tunnels. Both ideas are idiotic.

Description : Are marbles considered circles or spheres?

Last Answer : Spheres, they’re three dimensional. Circles are two dimensional, FLAT.

Description : Do I use an apostrophe when writing "the marble's weight"?

Last Answer : You are right; Word is wrong. Word.

Description : When baking something with raisins in it, how do you prevent the raisins on top from becoming like black burnt marbles?

Last Answer : Try lightly covering the top with aluminum foil midway through cooking time. I’m no cook, but I believe covering the top with foil will prevent it from browning faster than the rest of the dish. Anyone else know about using foil? Do I have it right?

Description : What are those things called that look like squished glass marbles and are used in flower arrangements or crafts?

Last Answer : I think your talking about sea glass, beach glass, natural glass. Not sure where you can get the larger stuff. check Ebay

Description : There are 5 red, 4 white and 3 blue marbles in a bag. They are drawn one by one and arranged in a row. Assuming that all the 12 marbles -Maths 9th

Last Answer : answer:

Description : Teddy have marbles that are less than 60 marbles but more than 40 marbles.He shared them equally between 3 pots and their were no remainders when he shares it in 4 pots he has 3 remainders and when he shares them with 5 pots he have a remainder of 1?

Last Answer : how many does Teddy have

Description : bassam has some marbles. one third of them are blue, one half of them are red, and the rest are green. If he has 7 green marbles, how many marbles does he have?

Last Answer : Because 1/3 are blue and 1/2 are red and the rest are green we can calculate that 1/6 of the marbles are green.1/3 = 2/61/2 = 3/62/6 + 3/6 = 5/6 which leaves 1/6 green.Since there are 7 green marbles we know there must be 7 x 6 total.The answer is 42 marbles.

Description : julio bought 12 new marbles, bringing his total to 72. what fraction,in simplest form, of julios marbles are new?

Last Answer : That will be 12/72=1/6.

Description : How much do marbles weight?

Last Answer : Depends on the size of the marble, and what it is made from.Most playing marbles are glass, about 9/16ths of an inch, and weigha bit less than 0.16 ounces.

Description : Can 1 million marbles fit in one wheel barrow?

Last Answer : No because the wheelbarrow would be to small.

Description : How much do marbles weight?

Last Answer : Depends on the size of the marble, and what it is made from.Most playing marbles are glass, about 9/16ths of an inch, and weigha bit less than 0.16 ounces.

Description : Can 1 million marbles fit in one wheel barrow?

Last Answer : No because the wheelbarrow would be to small.

Description : Are marbles sand and water a mixture or a solution?

Last Answer : Sand, marbles, and water can be a mixture.

Description : If Ken gave Andrew 10 more marbles than Andrew already had. Andrew now has 100 marbles. How many marbles did Andrew have to start with?

Last Answer : The poorly worded question leaves doubt as to what the answer is. If Ken gave Andrew 10 more marbles, and Andrew ends up with a hundred, Andrew started with 90. If Ken gave him the same number Andrew already had plus ten to equal 100 marbles, Andrew started with 45 and Ken gave him 55.