A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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Assume that random quesses are made for seven multiple choice questions on an SAT test, so that there are N = 7 trials, each with
P(X<4) =
A survey showed that 72% of adults need correction (eyeglasses, contacts, surgery etc) for their eyesight. If 21 adults are randomly selected , find the probability that at least 20 of them need correction for their eyesight. Is 20 significantly high number of adults requiring eyesight correction?
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- A First Course in Probability (10th Edition)ProbabilityISBN:9780134753119Author:Sheldon RossPublisher:PEARSON
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ISBN:9780134753119
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Publisher:PEARSON