CC1 Basic Probability Practice

What is the probability of spinning red?

• 0
• 5/12
• 1/2
• 3/4

Tags

CCSS.7.SP.C.5

A bag contains 30 pieces of candy.

There are 15 grape, 7 cherry, 3 lemon, 5 strawberry.

What is the probability of drawing a lemon? (Remember to simplify!)

• 3

• 1/10

• 3/10

• 30%

The chart represents the number of marbles in a jar.

P(green) =

• 
  

  $\frac{10}{38}=\frac{5}{19}$

• $\frac{10}{28}$

• $\frac{10}{40}=\frac{1}{4}$
  

How do you write 0.02 as a percent?

• 20%
• 200%
• 2%
• .02%

Tags

CCSS.7.RP.A.3

You pick a marble from this bag.

What is the probability you will choose either a black or white marble?

P(black or white) =

Hint: Both options would give me what I want.

• 6/10

• 9/100

• 3/10

• 2/5

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

How many different outcomes are possible when you flip a coin?

Hint: Outcomes are things that can happen.

• 1

• 2

• 4

• 8

You give the answer to a probability problem as 6/5. The teacher marks it wrong. Why?

• It should have been 5/6.

• It's not written as a percent.

• Probability can't be more than 1 or 100%.

• It's not written as a decimal.

Roll a die one time. Find P(rolling a 4).

• 1/4

• 2/3

• 1/6

• 1/2

What is the P(not purple) on this spinner?

• 2/5

• 1/5

• 4/5

• 3/5

Find the probability of rolling a 7 on a six sided die.

• 1/6

• 7/6

• 0

• 7/7