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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