Probability-Probability Distributions (ISS Statistics Paper I (New 2016 MCQ Pattern)): Questions 55 - 57 of 109

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Question number: 55

» Probability » Probability Distributions » Poisson

MCQ▾

Question

Twenty sheets of copper alloy were examined for surface flaws. The frequency of the number of sheets with a given number of flaws per sheet was as follows:

Table shows the number of flaws and frequency

Find out the probability

Number of flaws

Frequency

0

4

1

3

2

5

3

2

4

4

5

1

What is the probability of finding a sheet chosen at random which contains 3 or more surface flaws?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Question does not provide sufficient data or is vague

Question number: 56

» Probability » Probability Distributions » Bernoulli

MCQ▾

Question

Consider Equation be a sequence of Bernoulli distribution. Which of the following two statements are correct regarding Equation if any measurable set Equation ?

Statement 1: Equation Equation

Statement 2: Equation

Choices

Choice (4) Response

a.

Only Statement 2 is correct.

b.

Only Statement 1 is correct.

c.

Neither Statement 1 nor Statement 2 is correct.

d.

Both a. and b. are correct

Question number: 57

» Probability » Probability Distributions » Cauchy

MCQ▾

Question

If Equation has the standard Cauchy distribution and that Equation and Equation . Then Equation satisfy following options:

Choices

Choice (4) Response

a.

It has distribution function Equation

b.

It has pdf Equation

c.

None of the above

d.

All of the above

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