A radio station claims that the amount of advertising per hour af broadcast time has an average of 16 minutes and a standard deviation egual to 2.5 minutesY listen to the radio station for 1 hour, at a randomly selected tirme, and carelully observe that the amount of advertising time is equal to 7 rirastes. Calculate the Z-score for this amount of advertising time. O A z=3.60 O B. z= - 0.28 DC z= -3.60 OD. z=0.28

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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A radio station claims that the amount of advertising per hour of broadcast tirme has an average of 16 minutes and a standard deviation equal to 2.5 minutes You
listen to the radio station for 1 hour, at a randomly selected tirme, and carefully observe that the amount of advertising tirme is equal to 7 rirutes. Calculate the
Z-Score for this amount of advertising tirme.
O A. z=3.60
O B. z= -0.28
OC z=-3.60
O D. z=0.28
Transcribed Image Text:A radio station claims that the amount of advertising per hour of broadcast tirme has an average of 16 minutes and a standard deviation equal to 2.5 minutes You listen to the radio station for 1 hour, at a randomly selected tirme, and carefully observe that the amount of advertising tirme is equal to 7 rirutes. Calculate the Z-Score for this amount of advertising tirme. O A. z=3.60 O B. z= -0.28 OC z=-3.60 O D. z=0.28
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