Business: According to the Web site of Mars, the makers of M&M's Plain Chocolate Candies, 21% of the candies produced are green.* If we select 4 candies from a bag at random and record the number of green candies, the probability distribution is as follows: x 0 1 2 3 4 P(x) .3895 .4141 .1651 .0293 .0019 Find the expected value for the number of green candies.