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Using Probability

Using Probability. Lesson 3-6. Math Vocabulary. Independent Event – 1st outcome results of probability DOES NOT affect 2nd outcome results Dependent Event – 1st outcome results of probability DOES affect 2nd outcome results. Probability of Independent Events….

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Using Probability

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  1. Using Probability Lesson 3-6

  2. Math Vocabulary Independent Event – 1st outcome results of probability DOES NOT affect 2nd outcome results Dependent Event – 1st outcome results of probability DOES affect 2nd outcome results

  3. Probability of Independent Events… In a word game, you choose a tile from a bag containing letter tiles. You replace the first tile in the bag and then chose again. What is the probability of choosing an A and then choosing an E? P (A) = P (E) = P (A and E) = P (A) • P (E)

  4. Probability of Independent Events… What is the probability of choosing an 0 and then choosing an I, with replacing? P (0) = P (I) = P (O and I) = P (O) • P (I)

  5. Probability of Dependent Events… Suppose you play the word game again. This time you do not replace the first tile back into the bag, before choosing a second tile. What is the probability of choosing an A and then choosing an E ? P (A) = P (E) = P (A and E) = P (A) • P (E)

  6. Probability of Dependent Events… What is the probability of choosing an E and then choosing an U, without replacing? P (E) = P (U) = P (E and U) = P (E) • P (U)

  7. Practice… What is the probability you will choose… • P (green and red) with replacing? • P (two oranges) with replacing • P (yellow and red) without replacing? • P (two greens) without replacing? Suppose you had a bag of candy with the following colors: 6 green, 3 orange, 10 yellow, 1 red

  8. Homework p. 137 #5-8, 11-16, 17-22

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