Question
Asked Dec 18, 2019
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The IQ scores of adults are normally distributed with a mean of 100 and a standard deviation of 15.   If a group of 64 adults are randomly selected, what is the probability that their mean IQ will be at least 95?

 

  • 0.3707
  • 0.9962
  • 0.6306
  • correct answer is not given
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Step 1

Consider X be a random variable which follows normal distribution indicating the IQ scores of adult...

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Advanced Topics in Statistics

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