1. A store sells old-time assorted candies in four different size boxes, by weight (in ounces). The following model describes the probability of purchasing each size for a random customer
who buys this kind of candy.
Weight
Probability
12
0.05
16
0.45
24
0.35
36
0.15
a. Let X = the weight of the box. Express "the weight is more than 20 oz" in terms of X
and find the probability.