28 a. Find the probability of randomly selecting a student who spent the money, given that the student was given four quarters. The probability is O (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 four quarters. The probability is O (Round to three decimal places as needed.) c. What do the preceding results suggest?
28 a. Find the probability of randomly selecting a student who spent the money, given that the student was given four quarters. The probability is O (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 four quarters. The probability is O (Round to three decimal places as needed.) c. What do the preceding results suggest?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
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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.
Purchased Gum
Kept the Money
Students Given Four Quarters
Students Given a $1 Bill
26
14
13
28
a. Find the probability of randomly selecting a student who spent the money, given that the student was given four quarters.
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 four quarters.
The probability is.
(Round to three decimal places as needed.)
c. What do the preceding results suggest?
O A. Astudent given four quarters is more likely to have kept the money than a student given a $1 bill.
B. A student given four quarters is more likely to have spent the money than a student given a $1 bill.
C. A student given four quarters is more likely to have spent the money.
D. Astudent given four quarters is more likely to have kept the money.
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