Probability Basics RETAKE

Front

What is probability?

Back

Probability is a measure of how likely an event is to occur, expressed as a number between 0 and 1.

Front

What is the probability of an impossible event?

Back

0

Front

What is the probability of a certain event?

Back

1

Front

How do you calculate the probability of an event?

Back

Probability = (Number of favorable outcomes) / (Total number of outcomes)

Front

If a bag has 3 red marbles, 2 blue marbles, and 4 yellow marbles, what is the total number of marbles?

Back

9

Front

What is the probability of pulling a red marble from a bag with 3 red, 2 blue, and 4 yellow marbles?

Back

3/9 or 1/3 after simplification.

Front

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

Back

1/2

Front

What is the probability of rolling a number greater than 6 on a single die?

Back

0, since a standard die only has numbers 1 to 6.

Front

If a pencil case contains 3 red pens, 2 blue pens, and 5 pink pens, what is the probability of picking a pink pen?

Back

5/10 or 1/2 after simplification.

Front

What is the probability of spinning a spinner that has 4 equal sections, 3 of which are red?

Back

3/4