Posted by **Ashley** on Tuesday, January 31, 2012 at 3:38pm.

A scooter factory runs two assembly lines, A and B. 97.4% of line A’s scooters pass instruction, while only 94.9% of line B’s scooters pass inspection. 65% of the factory’s scooters come off assembly line A.

a) What is the probability that a randomly selected scooter did not pass inspection?

b) What is the probability that if a randomly selected scooter passes inspection, it came from

assembly line B?

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