ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 241 - 245 of 472

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Question number: 241

» Probability » Classical and Axiomatic Definitions

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MCQ▾

Question

There are 30 people in a room. What is the probability that any two of them celebrate their birthday on the same day? Assume 365 days in a year.

Choices

Choice (4)Response

a.

0.5

b.

Less than 0.5

c.

More than 0.5

d.

0.08

Question number: 242

» Probability » Bayes' Theorem and Applications

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MCQ▾

Question

Suppose a man have two bags each containing black and white balls. One bag contains three times as many white balls as blacks. The other bag contains three times as many black balls as white. Suppose he choose one of these bags at random. From that bag he select five balls at random, replacing each ball after it has been selected. He found 4 white balls and one black in the result. What is the probability that he was using the bag with mainly white balls?

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 243

» Probability » Distribution Functions and Properties

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Question

Which of the following statement is/are incorrect regarding a cumulative distribution function ?

Choices

Choice (4)Response

a.

is continuous from the right.

b.

have limits from left

c.

is increasing

d.

None of the above

Question number: 244

» Probability » Probability Distributions » Multinomial

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Question

If where, then, ________.

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 245

» Probability » Probability Distributions » Bernoulli

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Question

If is a Bernoulli trials process with parameter , then will be ________with parameter________?

Choices

Choice (4)Response

a.

Non- Bernoulli trials,

b.

Bernoulli trials, 1-

c.

Bernoulli trials,

d.

All of the above

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