Topic 10-7 (Theoretical Probability)

Topic 10-7: Theoretical Probability

​School Year 2022-2023

Open Ended

Nayeli has one ticket left at the school fair, and she is yet to win a prize. She decides between two games, which should she play? And why?

Multiple Choice

Find the probability of the spinner landing on 4 at least once.

• 10%

• 25%

• 36%

• 42%

Multiple Choice

The organized list shows all the possible outcomes of an experiment in which three fair coins are flipped. The possible outcome of each flip is heads (H) or tails (T). What is the probability that at least 2 fair coins land heads up when 3 are flipped?

• 27%

• 44%

• 50%

• 67%

Multiple Choice

In an experiment, a die with numbers 1 through 6 is rolled twice. Find the probability of rolling two numbers that have a sum equal to 10.

• $$\frac{1}{14}$$

• $$\frac{3}{4}$$

• $$\frac{1}{12}$$

• $$\frac{2}{5}$$

Fill in the Blanks

If the experiment is repeated 240 times, predict the number of repetitions that will result in the two numbers having a sum of 10.

Fill in the Blanks

There are 105 lettered tiles in a board game. You choose the tiles shown. How many of the 105 tiles would you expect to be vowels?