ISS (Statistical Services) Statistics Paper I: Questions 345 - 351 of 1595

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Question 345

Question MCQ▾

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

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 346

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

Edit

Question 347

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

Edit

Question 348

Question MCQ▾

If follows geometric distribution then is________.

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Edit

Question 349

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.

Edit

Question 350

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

Edit

Question 351

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

Edit