Open Up Resources Unit 8 Test Review (Probability)

Front

What is probability?

Back

The chance that some event will occur.

Front

What is an outcome in probability?

Back

The result of an experiment.

Front

What is the probability of spinning green on a spinner with four equal sections (1 green, 1 red, 1 blue, 1 yellow)?

Back

25%.

Front

If a bag contains 3 red marbles, 2 blue marbles, 4 green marbles, and 1 yellow marble, what is the theoretical probability of pulling a red marble?

Back

3/10.

Front

What model can be used to determine the probability that when two TVs are chosen, both will be defective if each has a 50% chance of being defective?

Back

Flip a coin twice.

Front

What does it mean if an event has a probability of 0%?

Back

The event cannot occur.

Front

What does it mean if an event has a probability of 100%?

Back

The event is certain to occur.

Front

How do you calculate the theoretical probability of an event?

Back

Divide the number of favorable outcomes by the total number of possible outcomes.

Front

If you roll a die, what is the probability of rolling a 3?

Back

1/6.

Front

What is a sample space in probability?

Back

The set of all possible outcomes of an experiment.