ACET (Actuarial Common Entrance Test) Statistics: Questions 33 - 37 of 81

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Question number: 33

» Discrete Random Variables » Mean, Mode, Median

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Question

A binomial distribution is characterized as (16,0.5) i. e. sample size is 16 and the probability of success is 0.5. The mean and variance of this distribution will be respectively-

Choices

Choice (4)Response

a.

8,8

b.

4,4

c.

4,8

d.

8,4

Question number: 34

» Probabilities » Conditional Probabilities

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Question

Which of the following refers to the probability of an event given the other has occurred?

Choices

Choice (4)Response

a.

Conditional Probability

b.

Joint Probability

c.

Posterior Probability

d.

Subjective Probability

Question number: 35

» Combinatorial Probability

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Question

Average Income of 50 families is ₹ 3,000. Of these average income of 30 families is ₹ 1,800. Find out the average income of the remaining families?

Choices

Choice (4)Response

a.

₹ 2,000

b.

₹ 1,200

c.

₹ 1,800

d.

None of the above

Question number: 36

» Types of Data » Stem-And-Leaf

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Question

In stem and leaf display diagrams used in exploratory analysis, stems are considered as

Choices

Choice (4)Response

a.

Dispersed digits

b.

Central digits

c.

Trailing digits

d.

Leading digits

Question number: 37

» Measures of Spread » Skewness

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Question

If in a given Binomial distribution with ‘n’ fixed and , then

Choices

Choice (4)Response

a.

The binomial distribution will be skewed to the left

b.

The Poisson distribution will provide a good approximation

c.

The binomial distribution will be symmetric

d.

The binomial distribution will be skewed to the right

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