In Problems 9 52 and 9 53, suppose you are testing the null hypothesis H 0 0 20 against the two tail alternative hypothesis H 1 0 20 and you choose the level of significance 0 05 What is your statistical decision In problem 9 52 If, in a random sample of 400 items, 88 are defective, what is the sample proportion of defective items

Question: In Problems 9.52 and 9.53, suppose you are testing the null hypothesis H 0 : = 0.20 against the two-tail alternative hypothesis H 1

In Problems 9.52 and 9.53, suppose you are testing the null hypothesis H₀: π = 0.20 against the two-tail alternative hypothesis H₁: π = 0.20 and you choose the level of significance α = 0.05. What is your statistical decision?

In problem 9.52

If, in a random sample of 400 items, 88 are defective, what is the sample proportion of defective items?

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