Incidents Involving Serious Engine Problems on the DD-340 Aircraft Are

question 41

Multiple Choice

Incidents involving serious engine problems on the DD-340 aircraft are rare.They occur at an average rate of 3.0 per year (or .25 incidents per month) .Assume all Poisson conditions are met.Use the exponential distribution to determine the probability that at least 6 months will elapse before the incident.

• A).2231
• B).1887
• C).1369
• D).1984
• E).1537

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