Probability

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 formula for calculating the probability of an event?

Back

P(Event) = Number of favorable outcomes / Total number of possible outcomes.

Front

What is an experimental probability?

Back

Experimental probability is the probability based on the actual results of an experiment.

Front

What is a theoretical probability?

Back

Theoretical probability is the probability calculated based on the possible outcomes in a perfect scenario.

Front

If a bag contains 2 blue marbles, 3 black marbles, and 5 red marbles, what is the total number of marbles?

Back

Total marbles = 2 + 3 + 5 = 10.

Front

What is the probability of picking a blue marble from the bag?

Back

P(blue) = Number of blue marbles / Total marbles = 2/10 = 1/5.

Front

If you roll a 6-sided die, what is the probability of rolling a 3?

Back

P(3) = 1/6.

Front

What is the probability of getting two blue marbles when picking with replacement?

Back

P(blue and blue) = P(blue) * P(blue) = (2/10) * (2/10) = 1/25.

Front

How do you calculate the total number of outfits if you have multiple choices for clothing?

Back

Total outfits = Number of dresses * Number of shoes.

Front

If April has 4 dresses and 3 types of shoes, how many different outfits can she wear?

Back

Total outfits = 4 * 3 = 12.