Mathematics, 05.05.2020 06:41 lexiejax21
According to AccuData Media Research, 36% of televisions within the Chicago city limits are tuned to "Eyewitness News" at 5:00 pm on Sunday nights. At 5:00 pm on a given Sunday, 2500 such televisions are randomly selected and checked to determine what is being watched.
a. Find the mean and standard deviation for the number of televisions tuned to "Eyewitness News."
b. Using the range rule of thumb, would it be unusual to find that 840 of the 2500 televisions are tuned to "Eyewitness News"?
c. Using the range rule of thumb, would it be unusual to find that 945 of the 2500 televisions are tuned to "Eyewitness News"?
Answers: 3
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According to AccuData Media Research, 36% of televisions within the Chicago city limits are tuned to...
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