ACET (Actuarial Common Entrance Test) Statistics: Questions 83 - 88 of 201

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Question number: 83

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MCQ▾

Question

In how many different ways can the letters of the word ‘CORPORATION’ be arranged so that the vowels always come together?

Choices

Choice (4)Response

a.

48000

b.

47200

c.

42000

d.

50400

Question number: 84

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MCQ▾

Question

The mean and variance of a random variable having a binomial distribution are 4 and 2 respectively, then is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 85

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MCQ▾

Question

Let X be a random variable with probability density function (pdf) given by

Find

Choices

Choice (4)Response

a.

0

b.

c.

d.

Question number: 86

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MCQ▾

Question

X is a continuous random variable with probability density function Then the value of is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 87

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MCQ▾

Question

The number of phone calls made by 16 students on a particular day are plotted in the following dot diagram-

Choices

Choice (4)Response

a.

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

b.

The mean number of calls is greater than the median and the mode

c.

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

d.

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

Question number: 88

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MCQ▾

Question

A company has 11 software engineers and 7 civil engineers. In how many ways can they be seated in a row so that no two of the civil engineers will sit together?

Choices

Choice (4)Response

a.

b.

c.

12!

d.

11!

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