The analysis of shafts for a compressor is summarized by conformance to specifications. roundness conforms yes no surface finish yes 345 5 conforms no 12 8 (a) If a shaft is selected at random, what is the probability that the shaft conforms to surface finish requirements? (b) What is the probability that the selected shaft conforms to surface finish requirements or to roundness require- ments? (c) What is the probability that the selected shaft either con- forms to surface finish requirements or does not conform to roundness requirements? (d) What is the probability that the selected shaft conforms to both surface finish and roundness requirements?
The analysis of shafts for a compressor is summarized by conformance to specifications. roundness conforms yes no surface finish yes 345 5 conforms no 12 8 (a) If a shaft is selected at random, what is the probability that the shaft conforms to surface finish requirements? (b) What is the probability that the selected shaft conforms to surface finish requirements or to roundness require- ments? (c) What is the probability that the selected shaft either con- forms to surface finish requirements or does not conform to roundness requirements? (d) What is the probability that the selected shaft conforms to both surface finish and roundness requirements?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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
Transcribed Image Text:The analysis of shafts for a compressor is summarized
by conformance to specifications.
roundness conforms
yes
no
surface finish
yes
345
5
conforms
no
12
8
(a) If a shaft is selected at random, what is the probability that
the shaft conforms to surface finish requirements?
(b) What is the probability that the selected shaft conforms
to surface finish requirements or to roundness require-
ments?
(c) What is the probability that the selected shaft either con-
forms to surface finish requirements or does not conform
to roundness requirements?
(d) What is the probability that the selected shaft conforms to
both surface finish and roundness requirements?
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