Probability

How many outcomes are there?

What is the probability of rolling a number 1-6 on a normal die?

• Likely

• Impossible

• Certain

• Unlikely

List the spample space

• Certain

• 8

• 1,2,3,4,5,6,7,8

• red, purple, purple, yellow, yellow, blue, blue, blue

P(8)=

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

P(even)=

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

P (3 or 6)=

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

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

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

How many outcomes are there?

List the Sample Space

• 11

• red, blue, green, purple

• purple, purple, blue, blue, green, green, red, red, red, red, red

• unlikely

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

P(blue)=

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7