Probability

6-Sided Die

100

Probability of rolling a 3?

1/6

200

Probability for rolling an odd number?

3/6 or 1/2

300

Probability of rolling an even number?

3/6 or 1/2

400

Probability of rolling a 1 or a 6?

2/6 or 1/3

500

Double Points!!!

Probability of rolling a 2 & a 4?

1/6 * 1/6 = 1/36

Coin Flip

100

Probability of flipping a coin and getting heads?

1/2

200

Probability of flipping a coin and getting tails?

1/2

300

Probability of flipping a coin and getting neither heads nor tails?

0/2 or 0

400

Probability of flipping a coin and getting heads or tails?

2/2 or 1

500

Probability of flipping a coin and getting tails and then flipping the coin again and getting heads?

1/2 * 1/2= 1/4

Tree Diagram

100

Draw a tree diagram to represent flipping a coin and rolling a dice. 

H-> 1, 2, 3, 4, 5, 6

T-> 1, 2, 3, 4, 5, 6

200

Triple Points!!!

Draw a tree diagram to represent flipping two coins. 

H-> H, T

T-> H, T

300

Draw a tree diagram to represent spinning Wheel A that has 1, 2, 3, 4 on it and Wheel B that has A, B, C, and D on it. 

1-> A, B, C, D

2-> A, B, C, D

3-> A, B, C, D

4-> A, B, C, D

400

Draw a tree diagram to represent spinning wheel A that has 1, 2, and 3 on it and flipping a coin. 

1-> H, T

2-> H, T

3-> H, T

500

What are the total outcomes of rolling two dice?

*You can make a tree diagram to solve*

36 outcomes

Compound Probability

100

Compound probability means there are  ____ or more events happening in the problem. 

2

200

To find the compound probability of two fractions you _____________ across. 

Multiply

300

Double Points!!!

Find the compound probability of flipping a heads and then rolling an odd number on a dice. 

1/2 * 3/6 = 3/12

400

Find the compound probability of getting a 5 on a dice and then a 4 on a dice?

1/6 * 1/6 = 1/36

500

There are two wheels: Wheel 1 has 1, 2, 3, 4 on it. Wheel 2 has A, B, C, D, E, F. 

Find the compound probability of landing on a 2 and then a C. 

1/4 * 1/6 = 1/24

How likely or unlikely?

100

Kat's probability of winning the lottery is 0.75, what word could we use to describe this probability?

Likely

200

Tom's probability of spinning a blue on a spinner is 90%, what word could we use to describe this probability?

Likely

300

Tim's probability of winning the lottery is 0.05 , what word could we use to describe this probability?

unlikely

400

Sarah's probability of winning the lottery is 0.00, what word could we use to describe this probability?

Impossible

500

Kat's probability of winning the lottery is 0.50, what word could we use to describe this probability?

Equally likely or as likely as not, 50/50 chance