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 30 16 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. The probability is? (Round to three decimal places as needed.) b. 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.) c. What do the preceding results suggest? A. A student given a $1 bill is more likely to have spent the money than a student given four quarters. B. A student was more likely to be given four quarters than a $1 bill. C. A student given four quarters is more likely to have spent the money than a student given a $1 bill. D. A student was more likely to have spent the money than to have kept the money.
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 30 16 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. The probability is? (Round to three decimal places as needed.) b. 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.) c. What do the preceding results suggest? A. A student given a $1 bill is more likely to have spent the money than a student given four quarters. B. A student was more likely to be given four quarters than a $1 bill. C. A student given four quarters is more likely to have spent the money than a student given a $1 bill. D. A student was more likely to have spent the money than to have kept the money.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
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Question
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
|
30
|
16
|
|
|
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.
The probability is?
(Round to three decimal places as needed.)
b. 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.)
c. What do the preceding results suggest?
A student given a $1 bill is more likely to have spent the money than a student given four quarters.
A student was more likely to be given four quarters than a $1 bill.
A student given four quarters is more likely to have spent the money than a student given a $1 bill.
A student was more likely to have spent the money than to have kept the money.
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