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Section 4.3 Homework
3. 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 |
28 |
16 |
|
|
Students Given a $1 Bill |
11 |
30 |
Find the probability of randomly selecting a student who spent the money, given that the student was given a $1 bill.
The probability is _______
Find the probability of randomly selecting a student who kept the money, given that the student was given a $1 bill.
The probability is _______
What do the preceding results suggest?
- A student given a $1 bill is more likely to have kept the money than a student given four quarters.
- A student given a $1 bill is more likely to have spent the money.
- A student given a $1 bill is more likely to have spent the money than a student given four quarters.
- A student given a $1 bill is more likely to have kept the money.