Question
Acompanyisparticipatinginabiddingfortwogovernmentcontracts.Amanagerofthe company estimates that there is a 40% chance that the company will win the bidding for the first contract, a 30% chance for the
- Acompanyisparticipatinginabiddingfortwogovernmentcontracts.Amanagerofthe company estimates that there is a 40% chance that the company will win the bidding for the first contract, a 30% chance for the second contract, and a 20%chance for the both contracts.
(a) What is the probability the company will win the bidding for the first contract only? For the second contract only?
(b) What is the probability the company will win the bidding for at least one contract?
2. To reduce theft, a company proposes to screen the workers with a lie-detector test that has been provedcorrect90%ofthetime(forguiltysubjects,andalsoforinnocentsubjects).The company will fire all the workers who fail the test. Suppose that 5% of workers steal from time to time.
(a) If a worker is fired, what is the conditional probability he is innocent?
(b) If a worker is not fired, what is the conditional probability he is guilty?
Include a probability tree for this problem.
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Fundamental Accounting Principles
Authors: John Wild, Ken Shaw, Barbara Chiappett
23rd edition
1259536351, 978-1259536359
