(a) If a shaft is selected at random, what is the probability that the shaft conforms to surface finish requirements? Input your answer in the fractional form. (b) What is the probability that the selected shaft conforms to surface finish requirements or to roundness requirements? Input your answer in the fractional form. (c) What is the probability that the selected shaft either conforms to surface finish requirements or does not conform to roundness requirements? Input your answer in the fractional form. (d) What is the probability that the selected shaft conforms to both surface finish and roundness requirements? Input your answer in the fractional form.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Question
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The analysis of 200 shafts for a compressor is summarized by conformance to specifications.
Roundness Conforms
Yes
No
Surface Finish Yes
104
12
Conforms
No
24
60
(a) If a shaft is selected at random, what is the probability that the shaft conforms to surface finish requirements? Input your answer in
the fractional form.
(b) What is the probability that the selected shaft conforms to surface finish requirements or to roundness requirements? Input your
answer in the fractional form.
(c) What is the probability that the selected shaft either conforms to surface finish requirements or does not conform to roundness
requirements? Input your answer in the fractional form.
(d) What is the probability that the selected shaft conforms to both surface finish and roundness requirements? Input your answer in
the fractional form.
Transcribed Image Text:The analysis of 200 shafts for a compressor is summarized by conformance to specifications. Roundness Conforms Yes No Surface Finish Yes 104 12 Conforms No 24 60 (a) If a shaft is selected at random, what is the probability that the shaft conforms to surface finish requirements? Input your answer in the fractional form. (b) What is the probability that the selected shaft conforms to surface finish requirements or to roundness requirements? Input your answer in the fractional form. (c) What is the probability that the selected shaft either conforms to surface finish requirements or does not conform to roundness requirements? Input your answer in the fractional form. (d) What is the probability that the selected shaft conforms to both surface finish and roundness requirements? Input your answer in the fractional form.
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