Suppose you are working with a data set that is normally distributed, with a mean of 200 and a standard deviation of 48. Determine the value of x from the following information.
(Round your answers and z values to 2 decimal places.)
(a) 90% of the values are greater than x.
(b) x is less than 13% of the values.
(c) 21% of the values are less than x.
(d) x is greater than 60% of the values.