Customers arrive at a movie theater at the advertised movie time only to find that they have
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Question:
a. If we want to estimate the population mean time for previews at movie theaters with a margin of error of 81 seconds, what sample size should be used? Assume 95% confidence.
b. If we want to estimate the population mean time for previews at movie theaters with a margin of error of 1 minute, what sample size should be used? Assume 95% confidence.
Related Book For
Mathematical Statistics with Applications in R
ISBN: 978-0124171138
2nd edition
Authors: Chris P. Tsokos, K.M. Ramachandran
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