Use 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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