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Probability Notes C hapter 11 Lesson 1 & 2 Pages 547-557 O utcome Result of an action

Probability Notes C hapter 11 Lesson 1 & 2 Pages 547-557 O utcome Result of an action Example Toss a coin; 2 outcomes (H or T) Equally Likely Outcomes that have the same chance of happening Event Outcome or group of outcomes

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Probability Notes C hapter 11 Lesson 1 & 2 Pages 547-557 O utcome Result of an action

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  1. Probability Notes Chapter 11 Lesson 1 & 2 Pages 547-557 Outcome Result of an action Example Toss a coin; 2 outcomes (H or T) Equally Likely Outcomes that have the same chance of happening Event Outcome or group of outcomes Probability of Number that describes how likely it is that the event will an Event occur P (event) = # of favorable outcomeswant total outcomes total

  2. Examples #1 Each face of a number cube displays one of the numbers 1 through 6. Find the probability of rolling an even number in one roll of a number cube. #2 Every student who participates in a fundraiser is eligible for prizes. Suppose 100 students are eligible, and there are 11 prizes. What is the probability that you will win a prize? #3 A number cube is rolled once. Find the P(odd). Write your answer as a fraction, decimal, and percent.

  3. Probability Questions A jar contains 4 red marbles, 3 yellow marbles, 2 black marbles, and 1 green marble. You select a marble without looking. Find the probability. 1. P(red) 3. P(black) 5. P(black or red) 7. P(orange) 9. P(red, blue, green, or black)

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