Practice: Experimenta; & Theoretical Probability

Front

What is experimental probability?

Back

Experimental probability is the ratio of the number of times an event occurs to the total number of trials or experiments conducted.

Front

What is theoretical probability?

Back

Theoretical probability is the ratio of the number of favorable outcomes to the total number of possible outcomes in a given situation.

Tags

CCSS.7.SP.C.7A

Front

How do you calculate the experimental probability of an event?

Back

Experimental probability = (Number of times the event occurs) / (Total number of trials)

Front

How do you calculate the theoretical probability of an event?

Back

Theoretical probability = (Number of favorable outcomes) / (Total number of possible outcomes)

Tags

CCSS.7.SP.C.7A

Front

If Mel has 6 pennies, 8 nickels, 4 dimes, and 7 quarters, what is the total number of coins?

Back

Total coins = 6 + 8 + 4 + 7 = 25 coins.

Tags

CCSS.4.MD.A.2

Front

What is the theoretical probability of selecting a penny from Mel's purse?

Back

Tags

CCSS.7.SP.C.7B

Front

What is the experimental probability of selecting a dime if Mel selects a dime 30 times out of 150 trials?

Back

Tags

CCSS.7.SP.C.6

Front

What does it mean for relative frequency to approach theoretical probability?

Back

As the number of trials increases, the experimental probability (relative frequency) of an event tends to get closer to the theoretical probability.

Front

What is the difference between experimental and theoretical probability?

Back

The difference is that experimental probability is based on actual experiments, while theoretical probability is based on expected outcomes.

Front

If Mel selects a coin 200 times and selects a penny 45 times, what is the experimental probability of selecting a penny?

Back

Tags

CCSS.7.SP.C.6