nts. The results of 120 parts are summarized as follows. Length Excellent Good 84 12 15 9 Surface finish Excellent Good

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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Samples of a cast aluminum part are classified on the basis of surface finish and length
measurements. The results of 120 parts are summarized as follows.
Surface finish Excellent
Good
Length
Excellent
84
15
Good
12
9
If the selected part has excellent surface finish, what is the probability that the length
is not excellent?
Transcribed Image Text:Samples of a cast aluminum part are classified on the basis of surface finish and length measurements. The results of 120 parts are summarized as follows. Surface finish Excellent Good Length Excellent 84 15 Good 12 9 If the selected part has excellent surface finish, what is the probability that the length is not excellent?
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