Question
A survey of 25 grocery stores revealed that the average price of a 4-litre bag of milk was $2.98 with a standard error of $0.10.
A survey of 25 grocery stores revealed that the average price of a 4-litre bag of milk was $2.98 with a standard error of $0.10. What is the 98% confidence interval to estimate the true cost of a 4-litre bag of milk?
Multiple Choice
- $2.95 to $3.01
- $2.75 to $3.21
- $2.77 to $3.19
- $2.85 to $3.11
- $2.94 to $3.02
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Advanced Calculus
Authors: R Creighton Buck
3rd Edition
147861613X, 9781478616139
