Suppose you are working with a data set that is normally distributed, with a mean of 200

Question:

Suppose you are working with a data set that is normally distributed, with a mean of 200 and a standard deviation of 47.Determine the value of x from the following information.
a. 60% of the values are greater than x.
b. x is less than 17% of the values.
c. 22% of the values are less than x.
d. x is greater than 55% of the values.