ACET (Actuarial Common Entrance Test) Statistics: Questions 1 - 5 of 81

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Question number: 1

» Probabilities » Conditional Probabilities

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MCQ▾

Question

A fair coin is tossed 10 times. Find the probability of getting exactly 6 heads.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 2

» Continuous Distributions » Exponential

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MCQ▾

Question

A checkout counter at a supermarket completes the process according to an exponential distribution with a service rate of 6 per hour. A customer arrives at the checkout counter. The probability that the service is completed in fewer than five minutes will be given by-

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 3

» Discrete Distributions » Poisson

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Question

A bank has an average random arrival rate of 3.2 customers every 4 minutes. What is the probability of getting exactly 10 customers during an 8-minute interval?

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Choice (4)Response

a.

b.

c.

d.

Question number: 4

» Combinatorial Probability

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Question

Ten players of Team A made an average of 63 runs, ten players of team B made an average of 77 runs and ten players of Team C made an average of 70 runs. The average run made by all the three teams is

Choices

Choice (4)Response

a.

100

b.

75

c.

70

d.

60

Question number: 5

» Continuous Random Variables » Coefficient of Skewness

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Question

For two series X and Y which are correlated, the lines of regression of Y on X and X on Y are respectively and , also find

Choices

Choice (4)Response

a.

3

b.

4

c.

2

d.

1

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