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Chase W.

Intro Stats / AP Statistics

1 week, 1 day ago

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We'Re told the following: 2 events are mesial exclusive, the probability of you winning a raffle will say: r is equal to 21 percent or we can say 0.21 we're told the probability of getting promoted at work will say, p is 36 percent or we can also say 0.36- and we want to find the probability that you win, the ruffle so are, or you get promoted to work or it can be written with the union symbol which was like this of r or p for promotion. And so when you have 2 events that are mutually exclusive and we know so because we're told so in the problem, then the probability of 1 event or the other occurring is simply just as some of the probabilities. In other words, the probability of r or p occurring is simply equal to the probability of r plus the probability of p, and so, if we just plug in the values, we know the probability of r is you go to 0.21 on? The probability of p is equal to 0.36, and so, if you had them up, you get 0.57 or you can also just say 57 percent either 1 of these works is the same thing, but so this is our final answernal probability.

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