Probability

How many outcomes are there?

P(8)=

P(even)=

P (3 or 6)=

Is this spinner fair? Why?

• no, there are too many numbers

• yes, all the portions are the same size

• yes, all spinners are fair

• no, no spinners are fair

How many outcomes are there?

P(blue)=

P(red)=

P(purple or green)=

Is this a fair game?

• no, there are not the same amount of each color.

• yes, there are different colors

• no, picking marbles out of a bag is never fair

• yes, picking marbles out of a bag is always fair.