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, where 0 means the event will not happen and 1 means it will definitely happen.

Front

What is the probability of rolling a die and getting a number greater than 2?

Back

2 out of 3

Front

How do you calculate the probability of an event?

Back

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

Front

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

Back

5 out of 7

Front

If the probability of it raining today is 30%, what is the probability that it will NOT rain?

Back

70%

Front

What is the total number of outcomes when rolling a standard die?

Back

6 (the numbers 1 through 6)

Front

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

Back

5 out of 11

Front

What is the probability of picking a red or blue marble from a jar containing 12 marbles (2 pink, 6 red, 4 blue)?

Back

5 out of 6

Front

What does it mean if an event has a probability of 0?

Back

It means the event will not occur.

Front

What does it mean if an event has a probability of 1?

Back

It means the event will definitely occur.