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3. Suppliers A and B provide aggregates to a jobsite. Let E be the probability that aggregates delivered to a jobsite are sub
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Answer #1

(a) The required probability = P(A)*P(E | A)

= 0.6*0.03 = 0.018

(b) The required probability = P(E)

= P(E | A)*P(A) + P(E | B)*P(B)

= 0.03*0.6 + 0.01*0.4 = 0.022

(c) The required probability = P(A | E)

= P(E | A)*P(A)/P(E) = 0.8182

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