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Intro Stats / AP Statistics
1 week, 1 day ago
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So we're told that following 2 events are mutually exclusive, the probability of your winning a raffle will say: p probability of r for raphael is equal to 11 percent, or we can say 0.11. We'Re told the probability of getting promoted at work. We'Ll say p for promotion is 18 percent, which we can also rewrite as 0.18, and we want to find the probability that you win. The raffle are, or you get promoted so or can be a union symbol so r or p for promotion. So when you have 2 events that are mutually exclusive- and we know at p and r r, because we're told some the problem, then the probability of 1 event occurring or the other is simply just some of those 2 events. The probability of their events, in other words, the probability of our union p, is simply equal to the probability of r plus the probability of p. And so we can some. In the probability of r, which is 0.11, the probability of p is 0.18, and so, if we add this up, this is equal to 0.29 or we can just say 29 percent either. 1 of this work says the same thing, but this is our final answer and our final probability.
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