Question

help with probability

Answer 1

The manager of a gas station and convenience store tabulates the following facts:

40% of customers purchase gasoline (G).
36% of customers purchase cigarettes (C).
61% of customers purchase gasoline or a drink (D).
9% of customers purchase gasoline and cigarettes.
14% of customers purchase a gasoline and a drink.
15% of customers purchase cigarettes and a drink.
2% of customers purchase all three items.

(a) If we randomly select a customer, what is the probability that she purchases gasoline or cigarettes?

(b) If we randomly select a customer, what is the probability that she purchases a drink?

Answer 2

can you help?

Answer 3

The first thing to do is fill in a venn diagram