Find the mean and the standard deviation of the distribution of each of the following random variables
Question:
Find the mean and the standard deviation of the distribution of each of the following random variables (having binomial distributions):
(a) The number of heads in 440 flips of a balanced coin.
(b) The number of 6's in 300 rolls of a balanced die.
(c) The number of defectives in a sample of 700 parts made by a machine, when the probability is 0.03 that any one of the parts is defective.
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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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