A study was conducted to find out the concentration -Maths 9th

A study was conducted to find out the concentration -Maths 9th
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(i) Frequency distribution of above data in tabular form is given as: (ii) The concentration of sulphur dioxide was more than 0.11 ppm for 9 days.
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A survey conducted by an organization -Maths 9th

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Last Answer : Solution :- (i) (ii) The major cause of women's ill health and death worldwide is reproductive health conditions.

A survey was conducted in a locality regarding -Maths 9th

Description : A survey was conducted in a locality regarding -Maths 9th

Last Answer : Number of pure vegetarians = 175 ∴ Number of non-vegetarians = 450 - 175 = 275 Probability of a person being non-vegetarian = 275/450 = 11/18.

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case study questions class 9 maths surface area and volume -Maths 9th

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Last Answer : Q. Read the source or text given below and answer the following questions: A conical circus tent has to be made with a cloth that is 5m wide, whose height is 24m, and the radius of the base is 7m. ... 4. Find the Curved Surface Area Answers: 1. Curved Surface Area 2. 550 m 3. Rs.3850 4.110m²

How should i study maths main chapters like Lines and Angle,Triangles class 9 ?? -Maths 9th

Description : How should i study maths main chapters like Lines and Angle,Triangles class 9 ?? -Maths 9th

Last Answer : You should study them thoroughly so that you won't find them difficult when you are preparing for competitive exams like Olympiad s,etc. Study other reference books along with ncert textbook. Hope my and will help you.

In a sample study of 642 people, it was found that 514 people have a high school certificate. -Maths 9th

Description : In a sample study of 642 people, it was found that 514 people have a high school certificate. -Maths 9th

Last Answer : Total number of persons = 642 Number of persons with high school certificate = 514 therefore Required probability=514 / 642 =0.80

How should i study maths main chapters like Lines and Angle,Triangles class 9 ?? -Maths 9th

Description : How should i study maths main chapters like Lines and Angle,Triangles class 9 ?? -Maths 9th

Last Answer : You should study them thoroughly so that you won't find them difficult when you are preparing for competitive exams like Olympiad s,etc. Study other reference books along with ncert textbook. Hope my and will help you.

In a sample study of 642 people, it was found that 514 people have a high school certificate. -Maths 9th

Description : In a sample study of 642 people, it was found that 514 people have a high school certificate. -Maths 9th

Last Answer : Total number of persons = 642 Number of persons with high school certificate = 514 therefore Required probability=514 / 642 =0.80

In a sample study of 642 people, it was found that 514 people have a high school certificate. -Maths 9th

Description : In a sample study of 642 people, it was found that 514 people have a high school certificate. -Maths 9th

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I want contact number of study ranker who give answers of our question on whatsapp I am having that number earlier but plzzz it's my request please provide me your number I am PREMIUM MEMBER -Maths 9th

Description : I want contact number of study ranker who give answers of our question on whatsapp I am having that number earlier but plzzz it's my request please provide me your number I am PREMIUM MEMBER -Maths 9th

Last Answer : NEED ANSWER

In a sample study of 642 people, it was found that 514 people have a high school certificate. -Maths 9th

Description : In a sample study of 642 people, it was found that 514 people have a high school certificate. -Maths 9th

Last Answer : (d) The total number of people in sample study, n(S) = 642. The number of people who have high school certificate, n(E) = 514. So, the probability that the person selected has a high school certificate ... S)=514/642 = 0.8 Hence, the probability that the person has a high school certificate is 0.8.

I want contact number of study ranker who give answers of our question on whatsapp I am having that number earlier but plzzz it's my request please provide me your number I am PREMIUM MEMBER -Maths 9th

Description : I want contact number of study ranker who give answers of our question on whatsapp I am having that number earlier but plzzz it's my request please provide me your number I am PREMIUM MEMBER -Maths 9th

Last Answer : Hi there, You can ask your doubts here. Just post your question by clicking on Ask Question button select the subject and enter the chapter name in tag. Thanks.

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n the previous three years, four studies have been conducted on the characteristics of Tyrone Brick's clients. As the firm seeks to put together a report showing trends in this area, it has a hard time locating the information contained in these study reports. This firm seems to need: A)a marketing research manager B)a marketing databank C)survey research D)primary data

Description : n the previous three years, four studies have been conducted on the characteristics of Tyrone Brick's clients. As the firm seeks to put together a report showing trends in this area, it has a ... to need: A)a marketing research manager B)a marketing databank C)survey research D)primary data

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Description : After how many years elections are conducted in India? -Civics 9th

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After how many years elections are conducted in China? -Civics 9th

Description : After how many years elections are conducted in China? -Civics 9th

Last Answer : The elections, held every three years, are always supervised by a higher level of government, usually by a County Government.

After how many years elections are conducted in India? -Civics 9th

Description : After how many years elections are conducted in India? -Civics 9th

Last Answer : The term of the Lok Sabha, unless dissolved, is five years from the date appointed for its first meeting.

After how many years elections are conducted in China? -Civics 9th

Description : After how many years elections are conducted in China? -Civics 9th

Last Answer : The election is held every five years in China. It is the biggest political event in China. The real mettle of the country's leadership is tested here. China elects its president behind fortified ... the country will converge for the Congress on October 18 and hold deliberations for about a week.

(i) Define index of concentration. (ii) How is it useful in the study of population? -Geography

Description : (i) Define index of concentration. (ii) How is it useful in the study of population? -Geography

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PH is the negative logarithm of the hydrogen Ion Concentration express4ed in moles/liter of aqueous solution. PH of buffer solution is calculated by. Henderson’s equation Name the best indicator Phenolphthalein, PH range 8.3 to 10.0 Chemical kinetics deals with study of. Rates and mechanisms of chemical and Biochemical reactions

Description : PH is the negative logarithm of the hydrogen Ion Concentration express4ed in moles/liter of aqueous solution. PH of buffer solution is calculated by. Henderson's equation Name the best ... Chemical kinetics deals with study of. Rates and mechanisms of chemical and Biochemical reactions

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The paint in a certain container is sufficient to paint an area equal to 9.375 m2. How many bricks of dimensions 22.5 cm×10 cm×7.5 cm can be painted out of this container? -Maths 9th

Description : The paint in a certain container is sufficient to paint an area equal to 9.375 m2. How many bricks of dimensions 22.5 cm×10 cm×7.5 cm can be painted out of this container? -Maths 9th

Last Answer : Total surface area of one brick = 2(lb +bh+lb) = [2(22.5 10+10 7.5+22.5 7.5)] cm2 = 2(225+75+168.75) cm2 = (2 468.75) cm2 = 937.5 cm2 Let n bricks can be painted out by the ... 93750 cm2 So, we have, 93750 = 937.5n n = 100 Therefore, 100 bricks can be painted out by the paint of the container.

Given are the scores (out of 25) of 9 students in a Monday test : 14, 25, 17, 22, 20, 19, 10, 8 and 23 -Maths 9th

Description : Given are the scores (out of 25) of 9 students in a Monday test : 14, 25, 17, 22, 20, 19, 10, 8 and 23 -Maths 9th

Last Answer : Ascending orders of scores is : 8, 10, 14, 17, 19, 20, 22, 23, 25 Now, new score = 8 + 10 + 14 + 17 + 19 + 20 + 22 + 23 + 25 / 9 = 158 / 9 = 17.5 marks Median = (n + 1 / 2)th observation because n is odd = (9 + 1 / 2)th observation = 5th observation = 19 marks.

The scores of an English test out of 100 of 20 students are given below : 75, 69, 88, 55, 95, 88, 73, 64, 75, 98, 88, 95, 90, 95, 88, 44, 59, 67, 88, 99. -Maths 9th

Description : The scores of an English test out of 100 of 20 students are given below : 75, 69, 88, 55, 95, 88, 73, 64, 75, 98, 88, 95, 90, 95, 88, 44, 59, 67, 88, 99. -Maths 9th

Last Answer : Median=n=even =n/2=20/2=10th observation =98 Mode =88

In a mathematics test given to 15 students, the following marks (out of 100) are recorded : -Maths 9th

Description : In a mathematics test given to 15 students, the following marks (out of 100) are recorded : -Maths 9th

Last Answer : For Mean : As we know that ⇒ x̅ = 41 + 39 + 48 + 52 + 46 + 62 + 54 + 40 + 96 + 52 + 98 + 40 + 42 + 52 + 60 / 15 x̅ = 822 / 15 = 54.8 ⇒ x̅ = 54.8 For Median : First of ... 52 For Mode : Make a frequency table for given data : Here, the marks 52 has the maximum frequency '3'. ∴ Mode = 52

The table shows the marks obtained by a student in unit tests out of 50 : -Maths 9th

Description : The table shows the marks obtained by a student in unit tests out of 50 : -Maths 9th

Last Answer : Here the marks are out of 50 , so we find its percentage (i.e. out of 100)

Given are the scores (out of 25) of 9 students in a Monday test : 14, 25, 17, 22, 20, 19, 10, 8 and 23 -Maths 9th

Description : Given are the scores (out of 25) of 9 students in a Monday test : 14, 25, 17, 22, 20, 19, 10, 8 and 23 -Maths 9th

Last Answer : Ascending orders of scores is : 8, 10, 14, 17, 19, 20, 22, 23, 25 Now, new score = 8 + 10 + 14 + 17 + 19 + 20 + 22 + 23 + 25 / 9 = 158 / 9 = 17.5 marks Median = (n + 1 / 2)th observation because n is odd = (9 + 1 / 2)th observation = 5th observation = 19 marks.

The scores of an English test out of 100 of 20 students are given below : 75, 69, 88, 55, 95, 88, 73, 64, 75, 98, 88, 95, 90, 95, 88, 44, 59, 67, 88, 99. -Maths 9th

Description : The scores of an English test out of 100 of 20 students are given below : 75, 69, 88, 55, 95, 88, 73, 64, 75, 98, 88, 95, 90, 95, 88, 44, 59, 67, 88, 99. -Maths 9th

Last Answer : Median=n=even =n/2=20/2=10th observation =98 Mode =88