Question: 3. A test is normally distributed with = 100 and = 12. Find the probability that: a. a score randomly sampled from this population is

3. A test is normally distributed with = 100 and = 12. Find the probability that: a. a score randomly sampled from this population is greater than 100:

b. a sample of size N = 25 has a mean greater than 105:

c. a sample of size N = 64 with Mx > 105:

d. a sample of size N = 64 with Mx > 105 or Mx < 95.

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