A survey of college statistics students shows that 30% of the students who show up for their

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A survey of college statistics students shows that 30% of the students who show up for their 8:00 a.m. classes are late. One statistics professor reports that among 15 of her students selected at random, only 3 were late for her 8:00 a.m. class. Find the probability that this number will be that low. That is, find the probability of getting 3 or fewer students late for class when 15 are selected at random. Based on the result, is the professor's result likely to occur by chance?
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Elementary Statistics

ISBN: 9780321225979

3rd Canadian Edition

Authors: Mario F. Triola

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