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(b) An IT specialist estimates that the company's mainframe computer has a 15% chance of 'catching' a computer virus. However, she feels there is only

(b) An IT specialist estimates that the company's mainframe computer has a 15% chance of 'catching' a computer virus. However, she feels there is only a 7% chance of the computer 'catching' a virus that will completely disable its operating system. If the company's computer should catch a virus, what is the probability that the operating system will be completely disabled? Comment on the result.

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