Help me study for my Probability class. I’m stuck and don’t understand.
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 |
3333 |
1515 |
|
|
Students Given a $1 Bill |
1717 |
3434 |
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
nothing.
(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
nothing.
(Round to three decimal places as needed.)
c. What do the preceding results suggest?
A.
A student given a $1 bill is more likely to have kept the money than a student given four quarters.
B.
A student given a $1 bill is more likely to have kept the money.
C.
A student given a $1 bill is more likely to have spent the money than a student given four quarters.
D.
A student given a $1 bill is more likely to have spent the money.
