Probability Review

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 is the theoretical probability of an event?

Back

Theoretical probability is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.

Front

If a bag contains 5 quarters, 2 dimes, and 4 pennies, what is the probability of picking a quarter?

Back

5/11

Front

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

Back

0 (since a standard die has numbers 1-6).

Front

If you flip a coin, what is the probability of getting tails?

Back

1/2

Front

What is the probability of drawing a red card from a standard deck of cards?

Back

1/2 (there are 26 red cards in a deck of 52).

Front

If Kiera saw 5 green cars out of 100, how many green cars would you predict if 200 cars passed by?

Back

10 (based on the same ratio).

Front

What is the probability of picking a dime from a bag with 5 quarters, 2 dimes, and 4 pennies?

Back

2/11

Front

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

Back

1/6

Front

What is the expected number of heads when flipping a coin 100 times?

Back

50 (since the probability of heads is 1/2).