Probability And Statistics Worksheets Page 21
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42Review and Practice Your Skills
P
L
9-3
RACTICE
ESSON
A card is picked at random from a standard deck of 52 cards. Find each probability.
1. P(heart and face card)
2. P(jack or queen)
3. P(red or black card)
4. P(black two)
5. P(2 or 3)
6. P(7 of hearts)
7. P(2
card
5)
8. P(king of clubs)
9. P(club and (ten or king))
You flip a coin four times. Find each theoretical probability.
10. P(exactly one head )
11. P(2 tails, 2 heads)
12. P(3 or 4 tails)
13. P(more than 2 heads)
14. P(0 or 1 head )
15. P(3 tails)
You roll a pair of dice. Find each theoretical probability.
16. P(sum
7)
17. P(sum
11)
18. P(both even)
19. P(1 is rolled)
20. P(4 or 5 is rolled)
21. P(sum
2)
22. P(sum is odd)
23. P(sum
6)
24. P(sum
10, 11, or 12)
25. P(sum is even and
7)
26. P(sum is odd and
11)
27. P(values are equal)
28. A spinner has 20 equal sectors numbered 1–20. Are spinning a multiple of 4
and multiple of 9 mutually exclusive events? Explain.
29. You spin a spinner with 8 equal sectors, numbered 1–8. What is the
probability of spinning a number that is neither odd nor greater than 6?
P
L
9-4
RACTICE
ESSON
A drawer contains 7 red shirts, 5 blue shirts, and 4 white shirts. One shirt at a
time is taken at random from the drawer and not replaced. Find each
probability.
30. P(red, then blue)
31. P(red, then not white)
32. P(white, then blue)
33. P(both white)
34. P(not blue, then not red)
35. P(both not blue)
A box contains 4 red cards, 5 black cards, 10 green cards, and 2 blue cards.
Cards are taken at random from the box, one at a time, and then replaced. Find
each probability.
36. P(red, then red)
37. P(red, then green, then blue)
38. P(not red, then green)
39. P(black, then black, then not green)
40. P(not green in each of three draws)
41. P(black, then not blue)
42. P(red, then red, then red, then red)
43. P(blue, then blue, then black)
44. You are given one ticket each to two hockey games in an arena with 18,000
seats. What is the probability that you will sit in Section B in the first game,
and then Section C in the second game, if Section B has 4500 seats and
Section C has 3000 seats?
400
Chapter 9 Probability and Statistics
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