out seven rebuilt pumps

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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6 A hydraulic rework shop in a factory turned out seven rebuilt pumps today. Suppose that three
pumps are still defective. Two of the seven are selected for thorough testing and then classified as
defective or not defective.
a List the outcomes for this experiment.
b Let A be the event that the selection includes one defective. List the outcomes in A.
c Based on the information given, assign probabilities to the outcomes and find P(A).

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