Just need C please.

I have tried .9088, .0912, .8413, and 1.000 and they were all wrong

Design specifications require that a key dimension on a product measure 10412 units. A process being considered for producing this product has a standard deviation of three units. a. What can you say (quantitatively) regarding the process capability? Assume that the process is centered with respect to specifications. Note: Round your answer to 4 decimal places. Answer is complete and correct. b. Suppose the process average shifts to 96 . Calculate the new process capability. Note: Round your answer to 4 decimal places. Answer is complete and correct. c. What is the probability or defective output after the process shift? Note: Use Excel's NORM.S.DIST function to find the correct probability, Round " z " values to 2 decimal places. Round your answer to 4 decimal places. (*) Answer is complete but not entirely correct