9) Two independent experiments are run in which two different types of paint are compared. Two specimens are painted using type A, and the drying time, in hours, is recorded for each. The same is done with type B. The population standard deviations are both known to be 5. Assuming that the mean drying time is equal for the two types of paint. Find P()?A X3 > 2.0), where YA and X3 are average drying times, for samples of size nA = mg = 2