ACET (Actuarial Common Entrance Test) Statistics: Questions 104 - 108 of 201

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Question number: 104

» Probabilities » Basic Rules of Probabilities

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MCQ▾

Question

From a pack of 52 cards, two cards are drawn random successively with replacements. Find P (X = 1) if X represents the number of aces.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 105

» Types of Data » Dot Plot

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MCQ▾

Question

The number of Kids in 10 families of a colony are plotted in the following dot diagram-

The number of Kids

The Number of Kids

Choices

Choice (4)Response

a.

The mean number of kids is smaller than the median and the mode

b.

The mean number of kids is greater than the median but lower than the mode

c.

The mean number of kids is smaller than the median but larger than the mode

d.

The mode of the kids is smaller than the median and the mean

Question number: 106

» Measures of Spread » Interquartile Range

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MCQ▾

Question

Find out interquartile range from the following data:

Find out interquartile range Find out interquartile range

Marks Obtained

0 - 10

10 - 20

20 - 30

30 - 40

40 - 50

50 - 60

60 - 70

70 - 80

No. of Students

3

5

5

8

12

10

8

9

Choices

Choice (4)Response

a.

42.25

b.

30

c.

32.5

d.

40

Question number: 107

» Probabilities » Conditional Probabilities

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MCQ▾

Question

If then which of the following is correct?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 108

» Continuous Random Variables » Variance

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MCQ▾

Question

A continuous random variable has the following pdf

Find the median of X and Var (X).

Choices

Choice (4)Response

a.

, 0.34

b.

0.225,0.34

c.

0.34,

d.

0.34,

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