A consumer group claims that the mean annual consumption of banana by a person in the Philippines is at most 10.3 kilograms. A random sample of 100 people in the Philippines has a mean annual banana consumption of 9.9 kilograms. Assume the population standard deviation is 2.1 kilograms.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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A consumer group claims that the mean annual consumption of banana by a
person in the Philippines is at most 10.3 kilograms. A random sample of 100
people in the Philippines has a mean annual banana consumption of 9.9
kilograms. Assume the population standard deviation is 2.1 kilograms.
At a = 0.05, is there evidence to reject the claim?
Transcribed Image Text:A consumer group claims that the mean annual consumption of banana by a person in the Philippines is at most 10.3 kilograms. A random sample of 100 people in the Philippines has a mean annual banana consumption of 9.9 kilograms. Assume the population standard deviation is 2.1 kilograms. At a = 0.05, is there evidence to reject the claim?
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ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,