Mathematics, 27.03.2020 01:55 minervica
Brian can get to class by taking either a Commuter North bus, a Bursley Baits bus, or a Northwood Express bus. If he takes Commuter North, there is a 50% chance he is late. If he takes Bursley Baits, there is a 20% chance he is late. If he takes Northwood Express, there is a 5% chance he is late. a) Assume there is an equal probability of taking any given bus. Given that Brian is late to class, what is the probability Brian took a Commuter North bus? b) Assume Brian takes Commuter North 30% of the time, takes Bursley Baits 10% of the time, and takes Northwood Express 60% of the time. Given that Brian was not late to class, what is the probability that he took a Commuter North bus?
Answers: 1
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