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Author Question: If you were constructing a 99 confidence interval of the population mean based on a sample of n = 25 ... (Read 80 times)

OSWALD

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on: Jun 24, 2018
If you were constructing a 99 confidence interval of the population mean based on a sample of n = 25 where the standard deviation of the sample S = 0.05, the critical value of t will be
 
  A) 2.7874. B) 2.4922. C) 2.4851. D) 2.7969.

Question 2

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes. The probability is ________ that a product is assembled in less than 12 minutes.
 
  Fill in the blank(s) with correct word


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stallen

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

D

Answer to Question 2

0.0668


OSWALD

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Reply #2 on: Jun 24, 2018
Thank you :)


stallen

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Reply #3 on: Jun 24, 2018
Happy to help you


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