(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.

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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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