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littlej_dvine littlej_dvine
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6 years ago
A population has a standard deviation of 16 . If a sample of size 64 is selected from this population, what is the probability that the sample mean will be within 2 of the population mean?
 a. 0.6826
  b. 0.3413
  c. -0.6826
  d. Since the mean is not given, there is no answer to this question.
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6 years ago
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