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Author Question: The standard deviation for the lifetimes of washing machines is estimated to be 800 hours. What ... (Read 75 times)

debasdf

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on: Jun 24, 2018
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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Reply #1 on: Jun 24, 2018
Answer to Question 1

1206

Answer to Question 2

Answer not provided.


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