Sixty-four randomly selected fuses were subjected to a

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Sixty-four randomly selected fuses were subjected to a twenty percent overload, and the time to failure was recorded. It was found that the sample average and standard deviation were x bar = 8.5 and s= 2.4 respectively.

a) Test H0:mu=8 aganist H1:u>8; use a significance level of alfa=0.05 what is your conclution?

Reference no: EM13622963

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