ISS Statistics Paper I (New 2016 MCQ Pattern): Questions 234 - 239 of 404

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Question number: 234

» Probability » Probability Distributions » Multinomial

MCQ▾

Question

Five cards are drawn from a deck of cards with replacement. What is the probability of drawing 2 club, 2 spade and 1 heart?

Choices

Choice (4) Response

a.

0.117

b.

0.029

c.

0.124

d.

0.058

Question number: 235

» Probability » Probability Distributions » Geometric

MCQ▾

Question

If X follows geometric distribution then Var(X) is________.

Choices

Choice (4) Response

a.

1pp2

b.

2pp2

c.

1p1p2

d.

All of the above

Question number: 236

» Probability » Law of Total Probability

MCQ▾

Question

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.

516

b.

816

c.

716

d.

916

Question number: 237

» Probability » Probability Distributions » Poisson

MCQ▾

Question

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 number: 238

» Probability » Bayes' Theorem and Applications

MCQ▾

Question

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.

16

b.

664

c.

68

d.

All of the above

Question number: 239

» Probability » Probability Distributions » Multinomial

MCQ▾

Question

Which of the following statement is/are incorrect regarding Multinomial experiment?

Choices

Choice (4) Response

a.

There are fixed number of repeated trails.

b.

Every trial has a fix possible number of outcomes.

c.

The trials are dependent on each other.

d.

Question does not provide sufficient data or is vague

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