# Probability-Probability Distributions (ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern)): Questions 58 - 61 of 109

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## Question number: 58

» Probability » Probability Distributions » Poisson

MCQ▾

### Question

Suppose 1 in 5000 balls are defective. Let denote the number of defective balls in a group of size 10000. What is the chance that at least 2 of them is defective?

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

## Question number: 59

» Probability » Probability Distributions » Uniform

MCQ▾

### Question

The average number of biscuits a ten-year old child eats per day is uniformly distributed from 2 to 5 biscuits, inclusive. Find the probability that a ten-year old child eats an average of more than three biscuits given that his or her amount is more than 2.5.

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

## Question number: 60

» Probability » Probability Distributions » Normal

MCQ▾

### Question

Suppose a sample of bulbs of same type are obtained at random from an ongoing production process in which of all such bulbs produced are defective. What is the probability that I such a sample 150 or fewer bulbs will be defective?

### Choices

Choice (4) Response

a.

0.725

b.

0.975

c.

0.025

d.

0.535

## Question number: 61

» Probability » Probability Distributions » Binomial

MCQ▾

### Question

Examine the following curves and choose the incorrect option regarding them.

### Choices

Choice (4) Response

a.

A and B both follows binomial distribution

b.

A and B have same small value of the number of independent trials.

c.

B have large probability of success.

d.

None of the above

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