Statistics Solutions

[Solved] Assume IQ scores are normally distributed with a population mean of 100 and a population standard deviation of 15. A random sample of 64 individuals

Question: Assume IQ scores are normally distributed with a population mean of 100 and a population standard deviation of 15. A random sample of 64 individuals is randomly selected from the population.

  1. Carefully label the x-bar axis and z- axis of the sampling distribution for samples of size 64.
  2. What is the probability that the average IQ, from a random sample of 64 individuals, is greater than 102?
  3. What is the probability the average IQ, selected from a random sample of 64 individuals, is less than 94?

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Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document


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