ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 224 - 230 of 472

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Question 224

Question

MCQ▾

The entropy of a Laplace variable with the following c. d. f is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 225

Question

MCQ▾

If be independent random variables, with having an distribution. Then the is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question 226

Question

MCQ▾

Five cards are drawn from a deck of cards with replacement. What is the probability of drawing club, spade and heart?

Choices

Choice (4)Response

a.

0.058

b.

0.029

c.

0.117

d.

0.124

Question 227

Question

MCQ▾

If follows geometric distribution then is________.

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question 228

Question

MCQ▾

We roll a four sided die. If the result is 1 or 2, we roll once more but otherwise we stop. What is the probability that the sum total of our rolls is at least 4?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 229

Question

MCQ▾

Which of the following situation/situations can be analyzed using Poission distribution?

Choices

Choice (4)Response

a.

Birth defects and genetic mutations

b.

Spread of an endangered animal in Africa

c.

Number of typing errors on a page

d.

All a., b. and c. are correct

Question 230

Question

MCQ▾

A is known to tell the truth in 3 cases out of 8 and he states that a white ball was drawn from a bag containing 6 blacks and 2 white ball. Find the probability that the white ball was drawn.

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above