Question: With reference to Exercise 10.48, test the null hypothesis (p=0.20) versus the alternative hypothesis (p Data From Exercise 10.48 10.48 In a sample of 100

With reference to Exercise 10.48, test the null hypothesis $p=0.20$ versus the alternative hypothesis \(p

Data From Exercise 10.48

10.48 In a sample of 100 ceramic pistons made for an ex-

10.48 In a sample of 100 ceramic pistons made for an ex- perimental diesel engine, 18 were cracked. Construct a 95% confidence interval for the true proportion of cracked pistons using the large sample confidence in- terval formula.

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