Khip Khip
  • 01-05-2017
  • Mathematics
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When Mrs. Myles gave a test, the scores were normally distributed with a mean of 72 and a standard deviation of 8. About 68% of her students scored between which two scores?

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Аноним Аноним
  • 01-05-2017
For a normal distribution about 
68% corresponds  to one standard deviation either side of the mean  so the required scores are 

64 to 80.

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