Fresh N Friendly food store advertises that their checkout waiting times is four minutes or less. An angry customer wants to dispute this claim. He takes a random sample of shoppers at the peak time and records their checkout times as 4.8,5.3,3.5,4.5,6.8,5.1 minutes. Build a 95%-confidence interval for the checkout waiting time. Interpret this confidence interval in the context
Fresh N Friendly food store advertises that their checkout waiting times is four minutes or less. An angry customer wants to dispute this claim. He takes a random sample of shoppers at the peak time and records their checkout times as 4.8,5.3,3.5,4.5,6.8,5.1 minutes. Build a 95%-confidence interval for the checkout waiting time. Interpret this confidence interval in the context
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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Fresh N Friendly food store advertises that their checkout waiting times is four minutes or less. An angry customer wants to dispute this claim. He takes a random sample of shoppers at the peak time and records their checkout times as 4.8,5.3,3.5,4.5,6.8,5.1 minutes. Build a 95%-confidence interval for the checkout waiting time. Interpret this confidence interval in the context of the scenario and discuss whether you believe the angry customer can legimitely dispute the store’s claim.
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