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Author Question: A population of scores is normally distributed with a mean of 100 and a standard deviation of 20. ... (Read 104 times)

yoooooman

  • Hero Member
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  • Posts: 557
on: Jun 20, 2018
A population of scores is normally distributed with a mean of 100 and a standard
  deviation of 20. Approximately _____ percent of the scores fall in the interval between 60
  and 100.
 
  a. 14
  b. 34
  c. 68
   d. 48

Question 2

A population of scores is normally distributed with a mean of 100 and a standard
  deviation of 20. Approximately _____ percent of the scores fall in the interval between 100
  and 140.
 
  a. 48
  b. 34
  c. 68
  d. 84


steff9894

  • Sr. Member
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  • Posts: 337
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

A


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