Q. 10

Mark the correct alternative in each of the following:

Three integers are chosen at random from the first 20 integers. The probability that their product is even is

A. 2/19

B. 3/29

C. 17/19

D. 4/19

Answer :

the product of 3 randomly chosen integers are even only if there are even nos.

P(even) = 1-P(odd)



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