Probability and Statistics review

Front

Probability is ...

Back

the chance that some event will occur.

Front

What is the formula to calculate the probability of an event?

Back

Number of favorable outcomes / Total number of possible outcomes

Front

A die is rolled once. What is the probability of rolling a number less than 3?

Back

1/3

Front

A die is rolled once. What is the probability of rolling a 5?

Back

1/6

Front

Probability can be written as a ...

Back

all of the above (fraction, decimal, percent)

Front

What is the sample space when flipping a coin?

Back

{Heads, Tails}

Front

What is the probability of getting heads when flipping a fair coin?

Back

1/2

Front

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

Back

3/5

Front

What does it mean if two events are independent?

Back

The occurrence of one event does not affect the occurrence of the other.

Front

What is the mean of the following set of numbers: 2, 4, 6, 8?

Back

5