To test the reliability of electric devices, a sample of 35 devices was taken. The mean number of minutes that the devices in the sample performed without errors was 185. The sample standard deviation was 11.9. What was the left boundary of 93% confidence interval to estimate the population mean? Use Excel for all computations and round your final answer to 2 decimals.
To test the reliability of electric devices, a sample of 35 devices was taken. The mean number of minutes that the devices in the sample performed without errors was 185. The sample standard deviation was 11.9. What was the left boundary of 93% confidence interval to estimate the population mean? Use Excel for all computations and round your final answer to 2 decimals.
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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To test the reliability of electric devices, a sample of 35 devices was taken. The mean number of minutes that the devices in the sample performed without errors was 185. The sample standard
deviation was 11.9. What was the left boundary of 93% confidence interval to estimate the population mean? Use Excel for all computations and round your final answer to 2 decimals.
QUESTION 8
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