November 6, 2012 was election day. Many of the major television networks aired coverage of the incoming election results during the 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. 0 20 Reference: 6-14 40 60 80 100 120 140 160 180 Hours Spent Watching Election Coverage 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?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.4: Distributions Of Data
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November 6, 2012 was election day. Many of the major television networks aired coverage of the incoming election results during the 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.
0 20 40 60 80 100 120 140 160 180
Hours Spent Watching Election Coverage
Reference: 6-14
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?
Transcribed Image Text:November 6, 2012 was election day. Many of the major television networks aired coverage of the incoming election results during the 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. 0 20 40 60 80 100 120 140 160 180 Hours Spent Watching Election Coverage Reference: 6-14 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?
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