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Seventy percent of the light aircraft that disappear while in flight in a certain country are...

Seventy percent of the light aircraft that disappear while in flight in a certain country are subsequently discovered. Of the aircraft that are discovered, 69% have an emergency locator, whereas 83% of the aircraft not discovered do not have such a locator. Suppose a light aircraft has disappeared.

(a) If it has an emergency locator, what is the probability that it will not be discovered?

(b) If it does not have an emergency locator, what is the probability that it will be discovered?

Math   Statistics-And-Probability   
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Answer #1

a) 0.0955

b) 0.4657

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