Three distinct integers are chosen at random from the first 20 positive integers. Compute the probability that:
Question:
Three distinct integers are chosen at random from the first 20 positive integers. Compute the probability that:
(a) Their sum is even
(b) Their product is even.
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a The sum of three numbers is even if and only if their sum is divisible by two The ...View the full answer
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Related Book For 
Introduction To Mathematical Statistics
ISBN: 9780321794710
7th Edition
Authors: Robert V., Joseph W. McKean, Allen T. Craig
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