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RENCEE72 RENCEE72
wrote...
Posts: 777
Rep: 7 0
6 years ago
A population has a mean of 84 and a standard deviation of 12 . A sample of 36 observations will be taken. The probability that the sample mean will be between 80.54 and 88.9 is _____.
 a. .0347
  b. .7200
  c. .9511
  d. None of the answers is correct.
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6 years ago
c
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