n a given project: P(A) = 0.25 P(W | A ) = 0.33 P(A | W) = 0.18 What is the probability of poor workmanship, P(W), on the project to 3 decima

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.6: Variation
Problem 10E
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Defective concrete on a construction site can be caused by either poor workmanship (selection and grading of material, pouring, curing) or poor aggregate, or both. The quality of the aggregate is affected by the quality of the workmanship, and vice versa.

W = poor workmanship, A = poor aggregate

On a given project:

P(A) = 0.25

P(W | A ) = 0.33

P(A | W) = 0.18

What is the probability of poor workmanship, P(W), on the project to 3 decimal places?

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