A television station claims that the average amount of time all of their viewers will stay tuned in to their station without changing the channel is 54 minutes with a standard deviation of 12 minutes. The station also claims that the average teenage viewer will stay tuned in to their station for 72 minutes.
Given that the data is approximately normal, standardize the amount of time an average teenage viewer stays tuned in to their station and find the area under the normal curve below the standardized time.
A.
The area below the standardized viewing time is 0.9332.
B.
The area below the standardized viewing time is 0.5668.
C.
The area below the standardized viewing time is 0.4332.
D.
The area below the standardized viewing time is 0.0668.