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
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
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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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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