Provide an appropriate response. A radio station claims that the amount of advertising per hour of broadcast time has an average of 13 minutes and a standard deviation equal to 2.3 minutes. You listen to the radio station for 1 hour, at a randomly selected time, and carefully observe that the amount of advertising time is equal to 11 minutes. Calculate the z-score for this amount of advertising time. O z= 0.67 O z= 0.67 O z= 0.87 O 2=-0.87

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Question 19
Provide an appropriate response.
A radio station claims that the amount of advertising per hour of broadcast time has an average of 13 minutes and a standard deviation equal to 2.3 minutes. You listen to the radio
station for 1 hour, at a randomly selected time, and carefully observe that the amount of advertising time is equal to 11 minutes. Calculate the z-score for this amount of advertising
time.
O z= 0.67
O z= -0.67
z= 0.87
O z= -0.87
A Click Submit to complete this assessment.
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Transcribed Image Text:Question 19 Provide an appropriate response. A radio station claims that the amount of advertising per hour of broadcast time has an average of 13 minutes and a standard deviation equal to 2.3 minutes. You listen to the radio station for 1 hour, at a randomly selected time, and carefully observe that the amount of advertising time is equal to 11 minutes. Calculate the z-score for this amount of advertising time. O z= 0.67 O z= -0.67 z= 0.87 O z= -0.87 A Click Submit to complete this assessment. < Question 19 of 19 Save and Submit 5:33 PM arch 3/25/2021 PrtScn Home 19 End VI0 PgUp PoDn K
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