An aircraft has three engines A, B and C...

An aircraft has three engines A, B and C. The aircraft crashes if all the three engines fail. The probabilties of failure are 0.03, 0.02 and 0.05 for engines A, B and C respectively. What is probability that the aircraft will not crash ?

`0.00003`

`0.90`

`0.99997`

`0.90307`

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