(See Solution) A normally distributed population has μ=70 and σ=15 For this population, what proportion of the scores have values between 65 and 75


Question: A normally distributed population has \(\mu=70\) and \(\sigma=15\)

  1. For this population, what proportion of the scores have values between 65 and 75 ?
  2. If random samples of size \(n=9\) are selected from this population, what proportion of the sample means will have values between 65 and 75 ?

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