Chapter 11 - School District #35

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Name: ___________________________________________________ Date: ______________ 9. Janessa wins a contest on the radio. She can choose 1 item from each category for her prize package: • 4 T-shirt choices • 3 CD choices • 2 concert ticket choices How many different packages can she choose from? Show your work. Total possible outcomes = shirt possible outcomes × × = × × = Sentence: _____________________________________________________________ 11.3 Determining Probabilities Using Fractions, pages 611–623 10. There are 2 bags of marbles. One bag has 3 black marbles and 2 grey marbles. The other bag has 4 white marbles and 1 grey marble. You choose 1 marble from each bag. a) What is the probability that you will choose a black marble? P(black marble) = number of black marbles total number of marbles in bag = b) What is the probability that you will choose a white marble? P(white marble) = c) What is P(black marble, white marble)? P(black marble, white marble) = P(black marble) × P(white marble) = × = 626 MHR ● Chapter 11: Probability
Name: _____________________________________________________ Date: ______________ 11. You roll a 6-sided die 3 times. Use multiplication to find the probability of rolling 3 even numbers. How many even numbers are on a die? How many possible outcomes are there on each die? P(3 even numbers) = P(even) × P(even) × P(even) Sentence: ___________________________________________________________________ 12. You spin the spinner 20 times. The table shows the results. Red Purple Green Blue 4 5 8 3 a) What is the theoretical probability of the spinner landing on blue? Write your answer as a decimal. Blue Green Red Purple favourable outcomes number of blues on 1 spinner P (blue) = ← possible outcomes total number of colours on 1 spinner = = ______________ ←decimal b) Look at the chart. What is the experimental probability of the spinner landing on blue? Write your answer as a decimal. P (blue) = number of favourable outcomes number of trials total number of spins = = ______________ ←decimal c) Why are the answers to parts a) and b) different? _________________________________________________________________________ Chapter Review ● MHR 627
Page 1 and 2: CHAPTER 11 Probability GET READY 58
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Page 55: Wrap It Up!, page 631 7. a) Flip #1

Chapter 11 - School District #35

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