Probability and Odds
Free Pre-Algebra Worksheet - Probability and Odds
# of Problems: 25
# of Pages: 3
Answer Key?: No
Sample Problems from Worksheet
(Worksheet pictures and diagrams not shown)
Find each probability for one roll of a 6-sided die. Express your answer as a fraction.
5. P(not 1, 2, 3)
5) Find the probability of choosing a letter at random from the word MATHEMATICS
Express your answer as a percent. Round to the nearest percent.
13. Your sock drawer is a mess. Twelve black socks and 6 red socks are mixed together. What is the chance (probability), without looking, you pick out a red sock? Express answer as a percent.
ODDS. The following items are problems involving odds.
A teacher chooses a student at random from a class made up of 10 boys and 15 girls. Find the odds in favor of each event.
15. Choosing a girl.
27. Your friend is tossing a coin. He says that heads and tails are equally likely outcomes, so the probability is 50/50. Explain your friends error.