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Calculate the? z-score for this amount of advertising time

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Reference no: EM132198120

A television station claims that the amount of advertising per hour of broadcast time has an average of 10 minutes and a standard deviation equal to 1.5 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 12 minutes. Calculate the? z-score for this amount of advertising time.

Reference no: EM132198120

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