The average length of actual running time (excluding advertisements) for television feature films is 1 hour and 40 minutes, with a standard deviation of 15 minutes. If a sample of 49 TV feature films is taken at random, what is the probability that the average running time for this group is 1 hour and 45 minutes or more?
The average length of actual running time (excluding advertisements) for television feature films is 1 hour and 40 minutes, with a standard deviation of 15 minutes. If a sample of 49 TV feature films is taken at random, what is the probability that the average running time for this group is 1 hour and 45 minutes or more?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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The average length of actual running time (excluding advertisements) for television
feature films is 1 hour and 40 minutes, with a standard deviation of 15 minutes. If a
sample of 49 TV feature films is taken at random, what is the probability that the
average running time for this group is 1 hour and 45 minutes or more?
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