Can someone please explain this to me. I would be extremely grateful

6.3.2 Find the z-score corresponding to the given area. Remember, z is distributed as the standard normal distribution with mean of M = 0 and standard deviation 0 = 1 . a.) The area to the left of z is 15%. b. ) The area to the right of z is 65%. c.) The area to the left of z is 10%. d. ) The area to the right of z is 5%. e.) The area between -Z and z is 95%. (Hint draw a picture and figure out the area to the left of the -Z.) f.) The area between -Z and z is 99%