Use the following information to answer the question. The di…
Use the following information to answer the question. The distribution of the number of hours people spend at work per day is unimodal and symmetric with a mean of 8 hours and a standard deviation of 0.5 hours.If Anthony’s z-score for his work hours was -1.3, how many hours did he work?
Read DetailsUse the empirical rule to solve the problem.At one college,…
Use the empirical rule to solve the problem.At one college, GPA’s have a distribution that is unimodal and symmetric with a mean of 2.7 and a standard deviation of 0.5. Is a GPA of 3.8 more than one standard deviation above the mean?
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Provide an appropriate response.A television station claims that the amount of advertising per hour of broadcast time has an average of 16 minutes and a standard deviation equal to 2.9 minutes. You watch the station for 1 hour, at a randomly selected time, and carefully observe that the amount of advertising time is equal to 9 minutes. Calculate the z-score for this amount of advertising time.
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