A population of values has a normal distribution with = 11.2 and o= 45.2. If a random sample of size
n = 14 is selected,
a. Find the probability that a single randomly selected value is greater than 4. Round your answer to
four decimals.
P(X> 4) =
b. Find the probability that a sample of size n = 14 is randomly selected with a mean greater than 4.
Round your answer to four decimals.
P(M> 4) =