As can easily be verified by means of the formula for the binomial distribution (or by listing
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As can easily be verified by means of the formula for the binomial distribution (or by listing all 16 possibilities), the probabilities of getting \(0,1,2,3\), or 4 red cards in four draws from a fair deck of cards are
\[\frac{1}{16} \quad \frac{4}{16} \quad \frac{6}{16} \quad \frac{4}{16} \quad \frac{1}{16}\]
Find the mean of this probability distribution using
(a) the formula that defines \(\mu\);
(b) the specific formula for the mean of a binomial distribution.
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Related Book For
Probability And Statistics For Engineers
ISBN: 9780134435688
9th Global Edition
Authors: Richard Johnson, Irwin Miller, John Freund
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