Author Question: The standard deviation for the lifetimes of washing machines is estimated to be 800 hours. What ... (Read 74 times)

debasdf

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The standard deviation for the lifetimes of washing machines is estimated to be 800 hours. What sample size must be selected in order to be 97 confident that the margin of error will not exceed 50 hours?

Question 2

What steps of the problem solving process are involved in decision making?



Harbringer

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Answer to Question 1

1206

Answer to Question 2

Answer not provided.



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