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ProbabilityQ&A LibraryA machine puts out 16 imperfect articles in a sample of 500. After the machine is overhauled it puts 3 imperfect articles in a batch of 100. Has the machine been improved? Use 5% level of significance. Use p-value fot your conclusion and also find 88% confidence interval for difference between population proportion.Start your trial now! First week only $4.99!*arrow_forward*

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A machine puts out 16 imperfect articles in a sample of 500. After the machine is overhauled it puts 3 imperfect articles in a batch of 100. Has the machine been improved? Use 5% level of significance. Use p-value fot your conclusion and also find 88% confidence interval for difference between population proportion.

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