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Author Question: IQ scores are normally distributed, with a mean of 100 and a standard deviation of 15. Approximately ... (Read 29 times)

rachel9

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on: Jun 20, 2018
IQ scores are normally distributed, with a mean of 100 and a standard deviation of 15. Approximately what percentage of people has IQ scores that fall below 70?
 
  a. 2
  b. 5
  c. 34
  d. 64
  e. 95

Question 2

A distribution in which there are more low scores than high scores is
 
  a. a standard deviation
  b. normally distributed
  c. negatively skewed
  d. positively skewed
  e. an outlier


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potomatos

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Reply #1 on: Jun 20, 2018
Answer to Question 1

a

Answer to Question 2

d


rachel9

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Reply 2 on: Jun 20, 2018
:D TYSM

nguyenhoanhat

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Reply 3 on: Yesterday
Wow, this really help

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