It is estimated that 75% of a grapefruit crop is good; the other 25% have rotten centers

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It is estimated that 75% of a grapefruit crop is good; the other 25% have rotten centers that cannot be detected until the grapefruit are cut open. The grapefruit are sold in sacks of 10. Let r be the number of good grapefruit in a sack.
(a) Make a histogram of the probability distribution of r.
(b) What is the probability of getting no more than one bad grapefruit in a sack? What is the probability of getting at least one good grapefruit in a sack?
(c) What is the expected number of good grapefruit in a sack?
(d) What is the standard deviation of the r-probability distribution?
Distribution
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Understanding Basic Statistics

ISBN: 9781111827021

6th Edition

Authors: Charles Henry Brase, Corrinne Pellillo Brase

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