Page 224 - Math Course 3 (Book 2)

Probability Simulations

Your Turn!

Simulation
In the last 52 days, it has rained 4 times. What In the last 52 days, it has rained 4 times. Describe
could be used to simulate whether it will rain on a a way to simulate whether it will rain in the next
given day? 15 days.

A. deck of cards A. Heads is a rainy day, tails is sunny. Flip coin 15
B. coin times.
C. die
D. spinner with 4 sections B. Let a 1 be a rainy day and 2–6 be not rainy. Roll
it 15 times.

C. Let one color on a spinner be a rainy day and
Answer the other 3 be not rainy. Spin it 15 times.

D. Let the aces equal a rainy day. Draw cards 15
times and record the results.

Answer

Theoretical and Experimental Probability

In baseball, the Cleveland Indians and Chicago White
Sox play each other five times in the next week.
The manager would like to figure out the most likely
mix of wins and losses.
1
Assume that P (Indians win) = P(White Sox win) =
2

What objects can be used to model the possible
outcomes of the games?

A. Flip five coins.
B. Roll a 6-sided number cube.
C. Use a deck of cards. Outcomes Frequency
D. Spin a spinner with 4 equal sections.
Indians win every game 2
Answer Indians win four ,White Sox win one 7
Indians win three ,White Sox win two 10
Find the theoretical probability that the Indians will
win three games. Indians win two ,White Sox win three 7
Indians win one ,White Sox win four 4
A. 1
2 White Sox win every game 1
B. 1
8 Below are the results of the last thirty 5-game series
C. 5 between the two teams. Find the experimental
16 probability.
D. 9
16 A. 33%
Answer B. 50%
C. 66%
D. 75%

Answer

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