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? A. A student given a $1 bill is more likely to have spent 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 kept the money than a student given four quarters. D. A student given a $1 bill is more likely to have spent the money.
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? A. A student given a $1 bill is more likely to have spent 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 kept the money than a student given four quarters. D. A student given a $1 bill is more likely to have spent the money.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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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
|
34
|
11
|
|
Students Given a $1 Bill
|
13
|
28
|
|
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?
A. A student given a $1 bill is more likely to have spent the money than a student given four quarters.
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