# Statistics and Probability [NDA (National Defense Academy) Mathematics]: Questions 8 - 12 of 41

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## Question number: 8

» Statistics and Probability » Random Variable as Function on a Sample Space

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Appeared in Year: 2012

MCQ▾

### Question

1. A continuous random variable can take all value in an interval.
2. A random variable which take a finite number of values is necessarily discrete.
3. Construction of a frequency distribution is based on data, which are discrete.

Which of the above statements are correct?

### Choices

Choice (4)Response

a.

and only

b.

and only

c.

and only

d.

and

## Question number: 9

» Statistics and Probability » Binomial Distribution

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MCQ▾

### Question

The value of the term independent of in the expansion of is:

### Choices

Choice (4)Response

a.

15

b.

40

c.

0

d.

5

## Question number: 10

» Statistics and Probability » Definition of Probability

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Appeared in Year: 2012

MCQ▾

### Question

What is the number of ways that boys and girls can be seated so that boys and girls alternate?

### Choices

Choice (4)Response

a.

12

b.

120

c.

144

d.

72

## Question number: 11

» Statistics and Probability » Union and Intersection of Events

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MCQ▾

### Question

Out of first year students, passes in first semester and passed in the second semester. If did not pass in either semester, how many passed in both semesters?

### Choices

Choice (4)Response

a.

80

b.

60

c.

40

d.

100

## Question number: 12

» Statistics and Probability » Union and Intersection of Events

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Appeared in Year: 2012

MCQ▾

### Question

Out of first year students, passes in first semester and passed in the second semester. If did not pass in either semester, how many passed in both semesters?

### Choices

Choice (4)Response

a.

40

b.

140

c.

70

d.

30

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