(Steps Shown) A population of scores forms a normal distribution with a mean of µ=40 and a standard deviation of ð=12. What is the probability of randomly


Question: A population of scores forms a normal distribution with a mean of µ=40 and a standard deviation of ð=12.

  1. What is the probability of randomly selecting a score less than X=34?
  2. What is the probability of selecting a sample of n=9 scores with a mean less than M=34?
  3. What is the probability of the selecting a sample of n=36 scores with a mean less than M=34?

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