Solve it correctly please. I will rate accordingly with 4votes.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Solve it correctly please. I will rate accordingly with 4votes.

Suppose the coffee industry claimed that
the average adult drinks 1.7 cups of coffee
per day. To test this claim, a random sample
of 60 adults was selected, and their
average coffee consumption was found to
be 1.9 cups per day. Assume the standard
deviation of daily coffee consumption per
day is 0.6 cups. Using a=0.10, complete
parts a and b below. a. Is the coffee
industry's claim supported by this sample?
Determine the null and alternative
hypotheses.
Transcribed Image Text:Suppose the coffee industry claimed that the average adult drinks 1.7 cups of coffee per day. To test this claim, a random sample of 60 adults was selected, and their average coffee consumption was found to be 1.9 cups per day. Assume the standard deviation of daily coffee consumption per day is 0.6 cups. Using a=0.10, complete parts a and b below. a. Is the coffee industry's claim supported by this sample? Determine the null and alternative hypotheses.
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