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Question

Consider the following survey of customer's purchases at a coffee shop. Suppose all selections are

made randomly, with replacement. Rewrite each problem with the proper notation, then find the

desired probability.

a. Find the probability of selecting a single customer who orders decaf coffee.

b. Find the probability of selecting a single customer who orders regular coffee or a pastry.

c. Find the probability of selecting a single customer who orders both regular coffee and a pastry.

d. Find the probability of selecting a single person who had no pastry, given that they ordered a

decaf coffee.

e. Find the probability of selecting a single person who order decaf coffee, given that they had a

pastry.

f. Find the probability of selecting two people (with replacement) who both ordered decaf coffee.

g. Find the probability of selecting two people (with replacement) where one ordered a pastry

and one did not.

Fig: 1