A Very Large Logging Operation Has Serious Problems Keeping Their

question 143

Multiple Choice

A very large logging operation has serious problems keeping their skidders operating properly.The equipment fails at the rate of 3 breakdowns every 48 hours.Assume that x is time between breakdowns and is exponentially distributed.The probability of two or less breakdowns in the next 48-hour period is:

• A) 0.9672.
• B) 0.0307.
• C) 0.2231.
• D) 0.7769.

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