red_pe_ch_10.pdf

# B in how many ways can choosing blue occur c in how

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b. In how many ways can choosing blue occur? c. In how many ways can choosing not yellow occur? What are the favorable outcomes of choosing not yellow? Exercises 12–17 1. You randomly choose a letter from a hat that contains the letters A through K. a. What are the possible outcomes? b. What are the favorable outcomes of choosing a vowel? Exercises 5 –11

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404 Chapter 10 Probability and Statistics Exercises 10.1 1. VOCABULARY Is rolling an even number on a number cube an outcome or an event ? Explain. 2. WRITING Describe how an outcome and a favorable outcome are different. 9 +(-6)=3 3 +(-3)= 4 +(-9)= 9 +(-1)= You spin the spinner shown. 3. How many possible results are there? 4. Of the possible results, in how many ways can you spin an even number? an odd number? 5. TILES What are the possible outcomes of randomly choosing one of the tiles shown? You randomly choose one of the tiles shown above. Find the favorable outcomes of the event. 6. Choosing a 6 7. Choosing an odd number 8. Choosing a number greater than 5 9. Choosing an odd number less than 5 10. Choosing a number less than 3 11. Choosing a number divisible by 3 You randomly choose one marble from the bag. (a) Find the number of ways the event can occur. (b) Find the favorable outcomes of the event. 12. Choosing blue 13. Choosing green 14. Choosing purple 15. Choosing yellow 16. Choosing not red 17. Choosing not blue 18. ERROR ANALYSIS Describe and correct the error in finding the number of ways that choosing not purple can occur. 2 1 Choosing not purple can occur in 4 ways. Ch oo si ng no t p u rple ca n oc cur in 4 w ay s purple not purple purple red, blue, green, yellow Help with Homework 3 4 5 6 7 8 1 2
Section 10.1 Outcomes and Events 405 Solve the proportion. (Section 5.4) 27. x 10 = 1 5 28. 60 n = 20 7 29. 1 3 = w 36 30. 25 17 = 100 b 31. MULTIPLE CHOICE What is the surface area of the rectangular prism? (Section 9.1) A 162 in. 2 B 264 in. 2 C 324 in. 2 D 360 in. 2 19. COINS You have 10 coins in your pocket. Five are Susan B. Anthony dollars, two are Kennedy half-dollars, and three are presidential dollars. You randomly choose a coin. In how many ways can choosing not a presidential dollar occur? Tell whether the statement is true or false . If it is false, change the italicized word to make the statement true. 20. Spinning blue and spinning green have the same number of favorable outcomes on Spinner A. 21. Spinning blue has one more favorable outcome than spinning green on Spinner B. 22. There are three possible outcomes of spinning Spinner A. 23. Spinning red can occur in four ways on Spinner B. 24. Spinning not green can occur in three ways on Spinner B. 25. MUSIC A bargain bin contains classical and rock CDs. There are 60 CDs in the bin. Choosing a rock CD and not choosing a rock CD have the same number of favorable outcomes. How many rock CDs are in the bin?

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