Question: A company is considering upgrading its computer system, and a major portion of the upgrade is a new operating system. The company has asked an

A company is considering upgrading its computer system, and a major

portion of the upgrade is a new operating system. The company has asked

an engineer for an evaluation of the operating system. Suppose the

probability of a favourable evaluation is 0.65. If the probability the

company will upgrade its system given a favourable evaluation is 0.85,

what is the probability that the company will upgrade and receive a

favourable evaluation?

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