Let denote the true average radioactivity level
Chapter 8, Problem 8.4(choose chapter or problem)
Let denote the true average radioactivity level (picocuries per liter). The value 5 pCi/L is considered the dividing line between safe and unsafe water. Would you recommend testing H0: 5 versus Ha: 5 or H0: 5 versus Ha: 5? Explain your reasoning. [Hint: Think about the consequences of a type I and type II error for each possibility.] 5. B
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