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When commercial aircrafts are inspected, wing cracks are reported as non-existent, detectable, or critical. The history of a particular fleet indicates that 60% of the

When commercial aircrafts are inspected, wing cracks are reported as non-existent, detectable, or critical. The history of a particular fleet indicates that

60% of the planes inspected have no wing cracks,

35% have detectable wing cracks, and

5% have critical wing cracks.

Three planes are randomly selected. Find the probability that one has a critical crack, one have detectable cracks, and one have no cracks.

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