Posted by luvmmmath on Thursday, March 21, 2013 at 12:49am.
iN manoa Valley on the island of Oahu Hawaii the annual rainfall averages 43.6 inches with a standard diviation 7.5 inches. for a given year, find the probability that the annual rainfall will be..(solve for a,b,and c) show work
a)more than 53 inches
b)less than 28 inches
c)between 28 and 53 inches

college stats  PsyDAG, Thursday, March 21, 2013 at 12:55pm
Z = (scoremean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions/probabilities related to the Z scores.