MATH 11-07-35012-2018SP-3PM-OBEID Homework: Section 4.3 Homework Score: 0 of 1 p
ID: 3050819 • Letter: M
Question
MATH 11-07-35012-2018SP-3PM-OBEID Homework: Section 4.3 Homework Score: 0 of 1 pt 4.3.13 4 of 13 (3 complete) In an experiment, college students were given either four quarters or a $1 bill and they could either keep the money the table. Complete parts (a) through (c) below. Purchased Gum | 26 14 Kept the Money 17 32 Students Given Four Quarters Students Given a $1 Bill a. Find the probablity of randomly selecting a student who spent the money, given that the student was given four que The probability is 0605 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 quarte The probability is ND 0(Round to three decimal places as needed.) O. Enter your answer in the answer box and then click Check Answer Clear All cation, Inc. All rights reserved. Legal Nobice 1 Privacy Polcy I Support Feedback to searchExplanation / Answer
Ans:
1)
a)P(spent money/four quarter)=26/(26+17)=26/43=0.605
b)P(kept money/four quarter)=17/(26+43)=17/43=0.395
2)
a)P(catastrophe avoided)=P(atleast one working)=1-P(none working)
=1-0.11*0.11=1-0.0121=0.9879
b)P(ateast one working)=1-P(none working)=1-0.11*0.11*0.11=1-0.001331=0.998669
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