Suppose pieces of chocolate pie served at a restaurant average 350 calories with a standard deviation of 20 calories. Calories have a Normal distribution due to inexact cutting of the pies. The shaded area represents the proportion of pieces of pie that have more than _____ calories. 370 (because 350 + 20) 390 (because 350 + 40) 350 410 (because 350 + 60)