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BARC 2020: Engineering Mathematics Nuclear Quiz 1 (App update required to attempt this test)

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Question 1

Let X be the random variable. Consider the following table with the probability distribution values of X.

Find the value of P(X<4).Round upto two decimal places).

Question 2

Fifteen coupons are numbered, 1, 2, 3, ..... 15. Seven coupons are selected at random one at a time with replacement. The probability that the largest number appearing on the selected coupon is 9, is

Question 3

Match the following Lists.
List-I
A-

B-

C-

D-

List-II
1- Discrete distribution
2- Continuous distribution

Question 4

An urn contains 5 red and 7 green balls. A ball is drawn at random and its colour is noted. The ball is placed back into the urn along with another ball of the same colour. The probability of getting a red ball in the next drawn is