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 26 11 Kept the Money 16 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 0.619. (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 four quarters. The probability is 0.381. (Round to three decimal places as needed.) c. What do the preceding results suggest? A. A student given four quarters is more likely to have spent the money than a student given a $1 bill. B. A student given four quarters is more likely to have spent the money. ○ C. A student given four quarters is more likely to have kept the money than a student given a $1 bill. ○ D. A student given four quarters is more likely to have kept the money.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
icon
Related questions
Question

Answer A was wrong.

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
26
11
Kept the Money
16
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 0.619.
(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 four quarters.
The probability is 0.381.
(Round to three decimal places as needed.)
c. What do the preceding results suggest?
A. A student given four quarters is more likely to have spent the money than a student given a $1 bill.
B. A student given four quarters is more likely to have spent the money.
○ C. A student given four quarters is more likely to have kept the money than a student given a $1 bill.
○ D. A student given four quarters is more likely to have kept the money.
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 26 11 Kept the Money 16 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 0.619. (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 four quarters. The probability is 0.381. (Round to three decimal places as needed.) c. What do the preceding results suggest? A. A student given four quarters is more likely to have spent the money than a student given a $1 bill. B. A student given four quarters is more likely to have spent the money. ○ C. A student given four quarters is more likely to have kept the money than a student given a $1 bill. ○ D. A student given four quarters is more likely to have kept the money.
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer