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 formula for calculating probability?

Back

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

Front

If a bag contains 3 red balls and 2 blue balls, what is the probability of picking a red ball?

Back

3/5

Front

What is the probability of rolling a number greater than 4 on a standard six-sided die?

Back

1/3 (Only 5 and 6 are greater than 4).

Front

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

Back

1/4 (There are 13 hearts in a deck of 52 cards).

Front

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

Back

1/2

Front

What is the probability of rolling a 2 on a standard six-sided die?

Back

1/6

Front

In a class of 30 students, 18 are girls. What is the probability of randomly selecting a girl?

Back

18/30 or 3/5

Front

What is the probability of picking a brown sock from a drawer with 6 white, 4 black, and 2 brown socks?

Back

2/12 or 1/6

Front

What is the probability of rolling a number less than 3 on a standard six-sided die?

Back

1/3 (Only 1 and 2 are less than 3).