The units without evidence of gas leaks or electrical failure showed other types of failure. If this is a representative sample of AC failure, find the probability a. That failure involves a gas leak b. That there is evidence of electrical failure given that there was a gas leak c. That there is evidence of a gas leak given that there is evidence of electrical failure

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.CR: Chapter 13 Review
Problem 6CR
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1. A maintenance firm has gathered the following information regarding the failure mechanisms for air
conditioning systems:
Evidence of gas leaks
No
Yes
Evidence of
yes
55
17
Electrical failure
no
32
3
The units without evidence of gas leaks or electrical failure showed other types of failure. If this is a
representative sample of AC failure, find the probability
a. That failure involves a gas leak
b. That there is evidence of electrical failure given that there was a gas leak
c. That there is evidence of a gas leak given that there is evidence of electrical failure
Transcribed Image Text:1. A maintenance firm has gathered the following information regarding the failure mechanisms for air conditioning systems: Evidence of gas leaks No Yes Evidence of yes 55 17 Electrical failure no 32 3 The units without evidence of gas leaks or electrical failure showed other types of failure. If this is a representative sample of AC failure, find the probability a. That failure involves a gas leak b. That there is evidence of electrical failure given that there was a gas leak c. That there is evidence of a gas leak given that there is evidence of electrical failure
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