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MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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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.
Students Given Four Quarters
Students Given a $1 Bill
Purchased Gum
30
19
Kept the Money
12
29
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?
O A. Astudent was more likely to be given four quarters than a 31 bil.
O B. A student given a $1 bill is more likely to have spent the money than a student given four quarters.
O C. A student was more likely to have spent the money than to have kept the money.
O D. Astudent given four quarters is more likely to have spent the money than a student given a $1 bill.
Transcribed Image Text: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. Students Given Four Quarters Students Given a $1 Bill Purchased Gum 30 19 Kept the Money 12 29 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? O A. Astudent was more likely to be given four quarters than a 31 bil. O B. A student given a $1 bill is more likely to have spent the money than a student given four quarters. O C. A student was more likely to have spent the money than to have kept the money. O D. Astudent given four quarters is more likely to have spent the money than a student given a $1 bill.
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