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Darryl2057 Darryl2057
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Posts: 509
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6 years ago
Jane has scored 132 on an IQ test. The mean of all the people who took the same test is 100 and the standard deviation is 16 . What percentage of people scored below Jane?
 
  a. 15
  b. 34
  c. 95
  d. 97.5

Question 2

Suppose that height is a normally distributed variable with mean of 66 inches and a standard deviation of 3 inches. You are 72 inches tall. How many standard deviations are you above the mean?
 
  a. impossible to tell without more information
  b. 1
  c. 2
  d. 3

Question 3

Suppose that height is a normally distributed variable with mean of 66 inches and a standard deviation of 3 inches. About what percentage of people would have a height between 66 and 72 inches?
 
  a. 48
  b. 68
  c. 75
  d. 95
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prattasiprattasi
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Posts: 362
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6 years ago
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Darryl2057 Author
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6 years ago
Amazing, correctly answered
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