A random variable is normally distributed with a mean of 32 and a standard deviation of 4. If an observation is randomly selected from the distribution,

a. What value will be exceeded 5% of the time?

b. What value will be exceeded 90% of the time?

c. Determine two values of which the smaller has 20% of the values below it and the larger has 20%

of the values above it.

d. What value will 10% of the observations be below?