In an​ experiment, college students were given either four quarters or a​ $1 bill and they could either keep the money or spend it on gum. The results are summarized in the table. Complete parts​ (a) through​ (b) below. Purchased Gum Kept the Money Students Given Four Quarters 26 19 Students Given a​ $1 Bill 12 31 a. Find the probability of randomly selecting a student who spent the​ money, given that the student was given four quarters. b. Find the probability of randomly selecting a student who kept the​ money, given that the student was given four quarters.

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