Do Now p. 795 # 32 A B C D.

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Presentation transcript:

Do Now p. 795 # 32 A B C D

SWBAT find the probability of mutually exclusive events. Objective SWBAT find the probability of mutually exclusive events.

Mutually Exclusive – Two events that cannot happen at the same time. Ex. If a number is chosen from a bag with numbers 1 – 10 you cannot choose a number that is both 5 and even. You can choose a number that is five or even. What is the probability of choosing a number that is five or even? # of possible outcomes = # of favorable outcomes

COOKIES A plate has 6 chocolate chip cookies, 4 peanut butter cookies, and 5 sugar cookies. What is the probability of randomly selecting a chocolate chip cookie or a sugar cookie? A B C D

Deck of Cards

P(black nine or heart) = P(black nine) + P(heart) Probability of Mutually Exclusive Events CARDS You draw a card from a standard deck of playing cards. What is the probability that the card will be a black nine or any heart? The events are mutually exclusive because the card cannot be both a black nine and a heart at the same time. P(black nine or heart) = P(black nine) + P(heart)

CARDS You draw a card from a standard deck of playing cards CARDS You draw a card from a standard deck of playing cards. What is the probability that the card will be a club or a red face card? A. B. C. D. A B C D

1. CARDS What is the probability of drawing an 8 or 5 from a standard deck of playing cards? 2. Textbook p. 793 # 4 A B C D