1. A biologist claims that the mean cholesterol content of chicken eggs can be reduced by giving a special diet to chickens. When thirty-six eggs obtained in this way were tested, it found out that the cholesterol content was 260 mg with a sample standard deviation equal to 22 mg. is the true mean cholesterol content significantly less than 280 mg? Use a = 0.05.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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1. A biologist claims that the mean cholesterol content of chicken eggs can be reduced by giving
a special diet to chickens. When thirty-six eggs obtained in this way were tested, it found out
that the cholesterol content was 260 mg with a sample standard deviation equal to 22 mg.
is the true mean cholesterol content significantly less than 280 mg? Use a = 0.05.
Transcribed Image Text:1. A biologist claims that the mean cholesterol content of chicken eggs can be reduced by giving a special diet to chickens. When thirty-six eggs obtained in this way were tested, it found out that the cholesterol content was 260 mg with a sample standard deviation equal to 22 mg. is the true mean cholesterol content significantly less than 280 mg? Use a = 0.05.
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