orption test and 12% failed in both. Find: ) the probability that a random sample selected is bad in compression test and good in absorption test. ) the probability that a random sample selected is bad in absorption test and good in compression test. ) the probability that a random sample selected is good in both test. ) the probability that a random sample selected at least one of them is bad.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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Q4),
1/ In a laboratory two types of tests done for a concrete cubes: compression
strength test and water absorption test 40% passed in compression test. 20% failed in water
absorption test and 12% failed in both. Find:
1) the probability that a random sample selected is bad in compression test and good in
absorption test.
2) the probability that a random sample selected is bad in absorption test and good in
compression test.
3) the probability that a random sample selected is good in both test.
4) the probability that a random sample selected at least one of them is bad.
Transcribed Image Text:Q4), 1/ In a laboratory two types of tests done for a concrete cubes: compression strength test and water absorption test 40% passed in compression test. 20% failed in water absorption test and 12% failed in both. Find: 1) the probability that a random sample selected is bad in compression test and good in absorption test. 2) the probability that a random sample selected is bad in absorption test and good in compression test. 3) the probability that a random sample selected is good in both test. 4) the probability that a random sample selected at least one of them is bad.
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