# ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 323 - 326 of 472

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## Question 323

### Question

MCQ▾

If has the gamma distribution with shape parameter then it՚s moment generating function is ________ .

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 324

Joint and Marginal Distributions

### Question

MCQ▾

Continuous random variables and have a joint distribution with density function

in the region bounded by Find the density function for the marginal distribution of for

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 325

### Question

MCQ▾

If then in the -th mean implies ________.

### Choices

Choice (4)Response

a.

in -th mean.

b.

almost everywhere.

c.

in -th mean.

d.

Question does not provide sufficient data or is vague

## Question 326

### Question

MCQ▾

Suppose where . Then which of the following statement is correct?

### Choices

Choice (4)Response

a.

Then the distribution is a two-parameter exponential family with natural parameters and , and natural statistics and .

b.

Then the distribution is a two-parameter exponential family with natural parameters and , and natural statistics and .

c.

Then the distribution is a two-parameter exponential family with natural parameters and , and natural statistics and .

d.

Then the distribution is a two-parameter exponential family with natural parameters and , and natural statistics and .