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Author Question: The t distribution A) approaches the normal distribution as the sample size increases. B) ... (Read 123 times)

cabate

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on: Jun 24, 2018
The t distribution
 
  A) approaches the normal distribution as the sample size increases.
  B) assumes the population is normally distributed.
  C) has more area in the tails than does the normal distribution.
  D) All of the above.

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 15 and 21 minutes.
 
  Fill in the blank(s) with correct word


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makaylafy

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

D

Answer to Question 2

0.49865


cabate

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Reply 2 on: Jun 24, 2018
Wow, this really help

patma1981

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Reply 3 on: Yesterday
Excellent

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