1) each week jim buys 10 pounds of macadamia nuts to sell at his store, the nut hut. the number of pounds he actually sells in a week is a continuous random variable y, which has the following probability density function:

fy(y) = y/50 if 0 fy(y) = 0 otherwise

(a) graph this density function.
(b) find the probability that at most four pounds of macadamia nuts are sold.