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 (c) below. K Purchased Gum Kept the Money Students Given Four Quarters 28 16 Students Given a $1 Bill 12 35 a. Find the probability of randomly selecting a student who spent the money, given that the student was given a $1 bill. The probability is. (Round to three decimal places as needed.) b. Find the probability of randomly selecting a student who kept the money, given that the student was given a $1 bill. The probability is (Round to three decimal places as needed.) c. What do the preceding results suggest? O A. A student given a $1 bill is more likely to have kept the money. O B. A student given a $1 bill is more likely to have spent the money. O C. A student given a $1 bill is more likely to have kept the money than a student given four quarters. O D. A student given a $1 bill is more likely to have spent the money than a student given four quarters. 11 on 12