Probability Quiz

In a class with 9 Leos, 8 Cancers, and 3 Geminis, what are the odds of randomly picking a Gemini’s name from the roster? Write answers as percentages.

• 10%

• 15%

• 20%

• 25%

Tags

CCSS.7.RP.A.3

CCSS.7.SP.C.5

CCSS.7.SP.C.7

In a class with 9 Leos, 8 Cancers, and 3 Geminis, what are the odds of picking a student’s name who is not a Cancer at random from the roster? Write answers as percentages.

• 30%

• 50%

• 60%

• 40%

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

What are the odds of picking a number card divisible by 3 from a deck of cards? Write answers as percentages.

• 7.69%

• 10.77%

• 15.38%

• 23.08%

Tags

CCSS.7.RP.A.3

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Assuming a person has an equal probability of being born in each month and an equal chance of having each first letter name, what are the odds a child is born in August and has a name starting with the letter J?

• 3.2%

• 0.3%

• 12%

• 1.2%

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

What is the probability of selecting a green ball from the bag?

• 0.1

• 0.2

• 0.3

• 0.4

Tags

CCSS.7.SP.C.5

What is the probability of picking a green ball and red ball back to back WITH replacement?

• 2.5%

• 5.6%

• 7.5%

• 1.1%

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

What are the odds of selecting 3 yellow balls in a row WITHOUT replacement?

• 9%

• 10%

• 20%

• 13%

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

What are the odds of picking a yellow OR a red ball from the bag?

• 33%

• 67%

• 50%

• 75%

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

The number of ways to select a captain and assistant captain from a team of 10 hockey players.

• 90

• 100

• 110

• 120

Tags

CCSS.HSS.CP.B.9

The number of 5 player squads you can form from a team of 12 basketball players.

• 792

• 120

• 252

• 462

Tags

CCSS.HSS.CP.B.9