a. Find the probability that 30 randomly selected laptops will have a mean replacement time of 3 years or less. Round your answer to four decimal places. P(M≤ 3 years) b. Based on the result above, does it appear that the computer store has been given laptops of lower than average quality? O Yes. The probability from the sample shows that there's a possibility that the owner is given laptops lower than average quality. No. The probability from the sample shows it is unlikely that the owner is given laptops lower than average quality.
a. Find the probability that 30 randomly selected laptops will have a mean replacement time of 3 years or less. Round your answer to four decimal places. P(M≤ 3 years) b. Based on the result above, does it appear that the computer store has been given laptops of lower than average quality? O Yes. The probability from the sample shows that there's a possibility that the owner is given laptops lower than average quality. No. The probability from the sample shows it is unlikely that the owner is given laptops lower than average quality.
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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