MATH 120 Lecture 13: Chapter 7.3 Probability

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17 Jul 2017
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Probability is basically the likelihood of an event. The probability of an event occurring is p(e) = E is the event, while s is all possible outcomes. n(e) n(s) So, we know that there"s 6 possible outcomes. S = {1, 2, 3, 4, 5, 6} And, we know that there"s only 2 possible outcomes that are. Now let"s plug these possible outcomes into our equation. n(e) n(s) (2) (6) The probability that the result is > 4 is 1. 1 card is drawn from a 52 - card deck. So, we know that there"s 52 possible outcomes total. And, we know that there"s only 4 possible outcomes that are a 3. E = {3 of diamonds, 3 of hearts, 3 of clubs, 3 of spades} Now, we just plug this information into the equation. n(e) n(s) (4) (52) The probability that the card drawn is a 3 is. The equation is p(e f) = p(e) +p(f) -p(e f)

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