Use the following to answer the questions below:
Many major television networks air coverage of the incoming election results during primetime hours. The provided boxplot displays the amount of time (in minutes) spent watching election coverage for a random sample of 25 U.S. adults. In this sample, the average time spent watching election coverage was 80.44 minutes with standard deviation of 43.99 minutes.
-What sample size would we need to estimate the average amount of time U.S. adults watching election coverage with 99% confidence and a margin of error of ± 5 hours?
A) 514 U.S. adults
B) 23 U.S. adults
C) 22 U.S. adults
D) 513 U.S. adults
Correct Answer:
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