A random sample of 80 observations produced a sample mean of 86.50. Find the critical and observed
Question:
a. H0: µ = 91 versus H1: µ ≠ 91
b. H0: µ = 91 versus H1: µ < 91
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a Step 1 H 0 91 H 1 91 Step 2 Since n 30 use the normal distribution Step 3 F...View the full answer
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