Suggest another factor other than having service performed

Reference no: EM13638822

One type of passenger airplane has four engines but it can still fly with only one. Suppose each engine has probability .002 of failing during a flight.

a) Calculate the probability of all four engines failing during the same flight. Assume independence.

b) One accident did occur when all four engines failed. The subsequent investigation revealed that a mechanic made the same mistake servicing all four engines. Explain why why your probability calculation in part (a) does not apply here.

c) Suggest another factor, other than having service performed by the same mechanic, that would violate the assumption of independence.

Reference no: EM13638822

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