SOLUTION: Three companies A, B and C are competing for a contract to build a condominium. The probabilities that companies A, B and C will win the contract are 0.25, 0.45 and 0.3 respectivel

Algebra ->  Probability-and-statistics -> SOLUTION: Three companies A, B and C are competing for a contract to build a condominium. The probabilities that companies A, B and C will win the contract are 0.25, 0.45 and 0.3 respectivel      Log On


   

Question 1157167: Three companies A, B and C are competing for a contract to build a condominium. The probabilities that companies A, B and C will win the contract are 0.25, 0.45 and 0.3 respectively. if company A, B and C win the contract the probability that they will make profits are 0.8, 0.9 and 0.7 respectively.


ii. What is the probability that the companies will make profit?

Answer by ikleyn(52921) About Me  (Show Source):
You can put this solution on YOUR website!
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    P = 0.25*0.8 + 0.45*0.9 + 0.3*0.7 = 0.815.    ANSWER