l. intake valve clearances, in micrometers ( pm), on new engines of a certain type are normally distributed with mean 200 pm and standard deviation 10 pin . (5 points each) a. What is the probability an intake valve clearance is greater than 215 pm '3' b. What is the 8'1?h percentile for intake valve clearances? c. An engine has six intake valves. What is the probability that none of the intake valve clearances in a nevi.r engine is greater than 215 no] '2