Question
(b) (9 points) Suppose 20 students are selected at random. What is the probability that the mean time writing a paper for these 20
(b) (9 points) Suppose 20 students are selected at random. What is the probability that the mean time writing a paper for these 20 students is not more than 7 hours? Answer: The probability is
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Linear Algebra with Applications
Authors: Steven J. Leon
7th edition
131857851, 978-0131857858
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