Determine the Appropriate Hypothesis Test to Perform
-A Survey Found $95 \%$

Short Answer

Determine the Appropriate Hypothesis Test to Perform
-A survey found that 44 of 78 people who don't drink coffee often have trouble sleeping and 49 of 87 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.