Suppose the yearly rainfall totals for a city follow a normal distribution, with mean of 18 inches and standard deviation of 10 inches. For a randomly selected year, what is the probability, P, that total rainfall will be in each of the following intervals?
(a) Less than 4 inches.
P =
(b) Greater than 33 inches.
P =
(c) Between 13 and 23 inches.
P =
(d) Greater than 47 inches.
P =
i found the z-scores, but i dont know if im getting it right lol, will donate fg if i can get this solved in under 10mins ty