Probability Review F24

Front

What is probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

What does it mean for events to be dependent?

Back

Dependent events are events where the outcome of one event affects the outcome of another.

Front

What does it mean for events to be independent?

Back

Independent events are events where the outcome of one event does not affect the outcome of another.

Front

How do you calculate the probability of drawing two marbles without replacement?

Back

To calculate the probability of drawing two marbles without replacement, multiply the probability of drawing the first marble by the probability of drawing the second marble after the first has been removed.

Front

What is the probability of flipping a coin and getting tails?

Back

The probability of flipping a coin and getting tails is 1/2.

Front

What is the probability of rolling a die and getting a six?

Back

The probability of rolling a die and getting a six is 1/6.

Front

If you flip a coin three times, what is the probability of getting all heads?

Back

The probability of getting all heads when flipping a coin three times is 1/8.

Front

What is the total number of outcomes when flipping a coin three times?

Back

The total number of outcomes when flipping a coin three times is 2^3 = 8.

Front

How do you find the probability of an event?

Back

To find the probability of an event, divide the number of favorable outcomes by the total number of possible outcomes.

Front

What is the probability of selecting a boy from a class of 5 boys and 2 girls?

Back

The probability of selecting a boy from a class of 5 boys and 2 girls is 5/7.