Please put all the formulas.. it's my final so please be accurate

Problem 3 Calculate the following using the provided normal probability table. Illustrate your answers with graphs. a. P(-O.5 < Z < 1.2) b. P (X < 8) =? where X is distributed normal with 10 and o 4. c. The 35th percentile of X, where X is distributed normal with 10 and o 12. d. P (21 R 22) = ? , where R is calculated from random sample of n 100 selected from a normally distributed population, X N(20, 64).