# ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 243 - 246 of 472

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## Question number: 243

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.

Question does not provide sufficient data or is vague

## Question number: 244

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

is increasing

b.

is continuous from the right.

c.

have limits from left

d.

None of the above

## Question number: 245

» Probability » Probability Distributions » Multinomial

MCQ▾

### Question

If where, then, ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

## Question number: 246

» Probability » Probability Distributions » Bernoulli

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

Bernoulli trials,

b.

Bernoulli trials, 1-

c.

Non- Bernoulli trials,

d.

All of the above