Basic 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 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 coin is flipped, what is the probability of getting heads?

Back

1/2

Front

What is the probability of rolling an even number on a standard six-sided die?

Back

1/2

Front

How do you calculate the probability of selecting a specific item from a group?

Back

Divide the number of ways to choose that item by the total number of items.

Front

What is the probability of drawing a letter other than 'A' from the word 'ALGEBRA'?

Back

5/7

Front

In a bag with 3 black marbles and 2 white marbles, what is the probability of picking a black marble?

Back

3/5

Front

What is the probability of selecting a large green shirt from a selection of shirts?

Back

1/12

Front

If you flip a coin 10 times, how many heads do you expect to get?

Back

5 heads (on average).

Front

What is the probability of picking either a black or white marble from a bag containing 3 black and 2 white marbles?

Back

3/5