Mrs. Nguyen â Honors Algebra II â Chapter 13 Notes ... - Teacher
Mrs. Nguyen â Honors Algebra II â Chapter 13 Notes ... - Teacher
Mrs. Nguyen â Honors Algebra II â Chapter 13 Notes ... - Teacher
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LESSON <strong>13</strong>.3 – PROBABILITYSample spaceDefinition ofprobabilityThe sample space of an event is all the possibleoutcomes of an experiment.number of outcomes in the eventProbability number of outcomes in the sample spaceAn event is one or moreoutcomes from the sample space.Example:Practice Problems: Suppose you select 2 letters at random from the word COMPUTE. Find each probability.1. P(2 vowels) 2. P(2 consonants) 3. P(1 vowel and 1 consonant)Practice Problems: Find each probability4. P(the card is a five) 5. P(the card is a five or a six)6. A five-card poker hand is drawn from astandard deck of cards. What is the probability that allfive cards are black?7. Tom has a collection of 32 CDs- 18 R&B and14 country. As he is leaving for a trip, he randomlychooses 6 CDs to take with him. What is theprobability that he selects 3 R&B and 3 country?8. A seven card hand is drawn from a standarddeck of 52 cars. What is the probability that all 7 cardsare hearts?9. A bag contains 20 tennis balls, of which fiveare defective. If two are selected at random from thebag, what is the probability that both are defective?<strong>Mrs</strong>. <strong>Nguyen</strong> – <strong>Honors</strong> <strong>Algebra</strong> <strong>II</strong> – <strong>Chapter</strong> <strong>13</strong> <strong>Notes</strong> – Page 4