Assume that a simple random sample has been selected from a normally distributed population. State the final conclusion. Test the claim that the mean lifetime of car engines of a particular type is greater than 220,000 miles. Sample data are summarized as n = 23, and s = 11,500 miles. Use a significance level of α = 0.01. H0: μ = 220,000 HA: μ > 220,000 State your conclusion about H0. Choose the best answer below: A. Reject HA B. Do not reject H0 C. Do not reject HA D. Reject H0 E. Cannot draw a conclusion for information given
Assume that a simple random sample has been selected from a normally distributed population. State the final conclusion. Test the claim that the mean lifetime of car engines of a particular type is greater than 220,000 miles. Sample data are summarized as n = 23, and s = 11,500 miles. Use a significance level of α = 0.01. H0: μ = 220,000 HA: μ > 220,000 State your conclusion about H0. Choose the best answer below: A. Reject HA B. Do not reject H0 C. Do not reject HA D. Reject H0 E. Cannot draw a conclusion for information given
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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Assume that a simple random sample has been selected from a normally distributed population. State the final conclusion.
Test the claim that the mean lifetime of car engines of a particular type is greater than 220,000 miles. Sample data are summarized as n = 23, and s = 11,500 miles. Use a significance level of α = 0.01.
H0: μ = 220,000 HA: μ > 220,000
State your conclusion about H0.
Test the claim that the mean lifetime of car engines of a particular type is greater than 220,000 miles. Sample data are summarized as n = 23, and s = 11,500 miles. Use a significance level of α = 0.01.
H0: μ = 220,000 HA: μ > 220,000
State your conclusion about H0.
Choose the best answer below:
A. Reject HA
B. Do not reject H0
C. Do not reject HA
D. Reject H0
E. Cannot draw a conclusion for information given
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