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Author Question: How many observations would be necessary for a time studies analyst to be 99% confident that the ... (Read 448 times)

Coya19@aol.com

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Question 1

A time study of a certain service task found an average time of 15 minutes, with a standard sample large enough that we are 95% confident that standard time is within 5% of its true value?

Question 2

How many observations would be necessary for a time studies analyst to be 99% confident that the average time is within .1 minutes of the true value if the average time is 10.5 minutes and the standard deviation is 3 minutes?


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Marked as best answer by Coya19@aol.com on Dec 3, 2019

ju

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Coya19@aol.com

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Reply 2 on: Dec 3, 2019
YES! Correct, THANKS for helping me on my review


cassie_ragen

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Reply 3 on: Yesterday
Gracias!

 

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