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Author Question: One of the characteristics of a normal distribution is that: A) It is bimodal B) 95 of the ... (Read 91 times)

RRMR

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on: Jul 8, 2018
One of the characteristics of a normal distribution is that:
 
  A) It is bimodal
  B) 95 of the values are within two standard deviations above and below the mean
  C) The values are positively skewed
  D) The mean is 100

Question 2

A group of 100 students took a test. The mean was 85, the standard deviation was 5, and the scores were normally distributed. About how many of the 100 scores fell between 80 and 90?
 
  A) 34
  B) 68
  C) 95
  D) Impossible to determine


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Kjones0604

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Reply #1 on: Jul 8, 2018
Answer to Question 1

B

Answer to Question 2

B


RRMR

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Reply 2 on: Jul 8, 2018
Excellent

isabelt_18

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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