Question 1053487
If the probability for coffee is .4, and the probability for pie is .35, and the probability for both is .2, then:
.4+.35-.2=.55 is the probability that a customer orders either coffee or pie, or both. Therefore, the probability of a customer ordering neither is 1-.55, or .45 &#9786;&#9786;&#9786;&#9786;&#9786;