A survey found that 39 of 66 people who don't drink coffee often have trouble sleeping and 44 of 88 coffee drinkers often have trouble sleeping. Construct a 95% confidence interval to determine whether there is a difference between the proportion of noncoffee drinkers who have trouble sleeping and the proportion of coffee drinkers who have trouble sleeping.
A survey found that 39 of 66 people who don't drink coffee often have trouble sleeping and 44 of 88 coffee drinkers often have trouble sleeping. Construct a 95% confidence interval to determine whether there is a difference between the proportion of noncoffee drinkers who have trouble sleeping and the proportion of coffee drinkers who have trouble sleeping.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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A survey found that 39 of 66 people who don't drink coffee often have trouble sleeping and 44 of 88 coffee drinkers often have trouble sleeping. Construct a 95% confidence interval to determine whether there is a difference between the proportion of noncoffee drinkers who have trouble sleeping and the proportion of coffee drinkers who have trouble sleeping.
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