Statistics and Probability (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Math): Questions 5 - 7 of 9

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Question number: 5

» Statistics and Probability » Addition Theorem

Appeared in Year: 2014

MCQ▾

Question

Two person A and B throw a (fair) die (six – faced cube with faces numbered from 1 to 6) alternately, starting with A. The first person to get an outcome different from the previous one by the opponent wins. The probability that B wins is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 6

» Statistics and Probability » Standard Deviation

Appeared in Year: 2013

MCQ▾

Question

Let . A list of numbers has mean and standard deviation . A new list of numbers is made as follows: . The mean and the standard deviation of the new list are . Which of the following is necessarily true? (Model Paper)

Choices

Choice (4) Response

a.

many or may not be equal to

b.

c.

d.

Question number: 7

» Statistics and Probability » Probability

Appeared in Year: 2013

MCQ▾

Question

A box contains coupons labeled . A coupon is picked at random and the number is noted. The coupon is put back into the box and a new coupon is picked at random. The new number is . Then the probability that one of the numbers divides the other is (in the options below denotes the largest integer less than or equal to ) (Model Paper)

Choices

Choice (4) Response

a.

b.

c.

d.

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