Question
A random sample of 195 television commercials has an average length of 79 seconds with a standard deviation of 19 seconds. What is the lower
A random sample of 195 television commercials has an average length of 79 seconds with a standard deviation of 19 seconds. What is the lower bound of the 99% confidence level when estimatingthe true average length of television commercials? Write the answer with 2 decimal places.
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Elementary Statisitcs
Authors: Barry Monk
2nd edition
1259345297, 978-0077836351, 77836359, 978-1259295911, 1259295915, 978-1259292484, 1259292487, 978-1259345296
