# Probability-Moment and Probability Generating Functions (ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern)): Questions 1 - 4 of 7

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## Question number: 1

» Probability » Moment and Probability Generating Functions

MCQ▾

### Question

For a random variable , if we have the moment generating function , for . Then the distribution of is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 2

» Probability » Moment and Probability Generating Functions

MCQ▾

### Question

If and are independent discrete random variables with the non-negative integers as range, and with distribution function then, what is the distribution of ?

### Choices

Choice (4) Response

a.

Poission distribution

b.

Geometric distribution

c.

Negative binomial distribution

d.

None of the above

## Question number: 3

» Probability » Moment and Probability Generating Functions

MCQ▾

### Question

Let be independent count r. v. s. If the are identically distributed, each with Probability generating function then has Probability generating function________.

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

## Question number: 4

» Probability » Moment and Probability Generating Functions

MCQ▾

### Question

Suppose that and are independent random variables taking values in N, with probability generating functions and having radii of convergence and , respectively. Then the probability generating function of is given by________ for .

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above