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Author Question: The t distribution is used to construct confidence intervals for the population mean when the ... (Read 112 times)

ETearle

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on: Jun 24, 2018
The t distribution is used to construct confidence intervals for the population mean when the population standard deviation is unknown.
 
  Indicate whether the statement is true or false

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 between 10 and 12 minutes.
 
  Fill in the blank(s) with correct word


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adammoses97

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

TRUE

Answer to Question 2

0.0606


ETearle

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Reply 2 on: Jun 24, 2018
Gracias!

debra928

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Reply 3 on: Yesterday
Wow, this really help

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