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QUESTION
Seventy percent of the light aircraft that disappear while in flight in a certain country are subsequently discovered. of the aircraft that are discovered, 60% have an emergency locator, whereas 90% o
Seventy percent of the light aircraft that disappear while in flight in a certain country are subsequently discovered. of the aircraft that are discovered, 60% have an emergency locator, whereas 90% of the aircraft not discovered do not have such a locator. suppose a light aircraft has disappeared
