cutekiki1 cutekiki1

06-12-2016
Mathematics

Answered

Ten randomly selected automobiles were stopped, and tread depth of the right front tire was measured. The mean was 0.32 inch, and the standard deviation was 0.08 inch. Find the margin of error for the confidence level of 95%.

If you increase the confidence level will the confidence interval estimate be wider or narrower?

Verified Answer :

Anonymous Anonymous

06-12-2016

your answer would be 24

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