Aaliyah wants to know if there is a difference between the proportions of customers who just order water to drink at two popular restaurants in town. She collected the data in the following table. Construct a 99 % confidence interval for the true difference between the proportions of customers who just order water to drink at Restaurants A and B. Let Population 1 be the customers of Restaurant A and Population 2 be the customers of

MATLAB: An Introduction with Applications
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Aaliyah wants to know if there is a difference between the proportions of
customers who just order water to drink at two popular restaurants in town.
She collected the data in the following table. Construct a
99 % confidence interval for the true difference between the proportions of
customers who just order water to drink at Restaurants A and B. Let Population
1 be the customers of Restaurant A and Population 2 be the customers of
Restaurant B. Round the endpoints of the interval to three decimal places, if
necessary.
Drink orders
Water
Other Beverage
Restaurant A
79
46
Restaurant B
56
82
Transcribed Image Text:Aaliyah wants to know if there is a difference between the proportions of customers who just order water to drink at two popular restaurants in town. She collected the data in the following table. Construct a 99 % confidence interval for the true difference between the proportions of customers who just order water to drink at Restaurants A and B. Let Population 1 be the customers of Restaurant A and Population 2 be the customers of Restaurant B. Round the endpoints of the interval to three decimal places, if necessary. Drink orders Water Other Beverage Restaurant A 79 46 Restaurant B 56 82
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