Math Problem Statement
A computer consulting firm presently has bids out on three projects. Let Ai = {awarded project i}, for i = 1, 2, 3, and suppose that P(A1) = 0.22, P(A2) = 0.26, P(A3) = 0.29, P(A1 ∩ A2) = 0.11, P(A1 ∩ A3) = 0.08, P(A2 ∩ A3) = 0.05, P(A1 ∩ A2 ∩ A3) = 0.01. Use the probabilities given above to compute the following probabilities, and explain in words the meaning of each one. (Round your answers to four decimal places.) (a) P(A2 | A1) = .5
Correct: Your answer is correct.
Explain this probability in words.
If the firm is awarded project 2, this is the chance they will also be awarded project 1.
This is the probability that the firm is awarded both project 1 and project 2.
This is the probability that the firm is awarded either project 1 or project 2.
If the firm is awarded project 1, this is the chance they will also be awarded project 2.
Correct: Your answer is correct.
(b) P(A2 ∩ A3 | A1) =
Solution
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Math Problem Analysis
Mathematical Concepts
Probability Theory
Conditional Probability
Intersection and Union of Events
Formulas
P(A2 | A1) = P(A1 ∩ A2) / P(A1)
P(A2 ∩ A3 | A1) = P(A1 ∩ A2 ∩ A3) / P(A1)
Theorems
Bayes' Theorem
Inclusion-Exclusion Principle
Suitable Grade Level
Grades 10-12, College Level
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