Probability Review

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

Tags

CCSS.7.SP.C.7B

What is the probability of spinning an even number?

• 16 2/3%

• 33 1/3%

• 50%

• 75%

Tags

CCSS.7.SP.C.7A

You spin this spinner 3 times.
Find the probability of these 3 events.
P(red, odd, 3)

• 1/216
• 1/72
• 1/36
• 1/12

In a drawer, there are 6 white socks, 4 black socks, and 2 brown socks. You pick out a sock, replace it, then pick out a 2nd sock. What is the probability that you will pick a brown, then black sock?

• 1/11

• 1/18

• 1/36

• 2/33

An urn contains 2 orange marbles and 5 blue marbles. A marble is drawn at random and replaced. Then a second marble is drawn. What is the probability that the first marble is orange and the second marble is blue?

An urn contains 6 purple marbles and 4 pink marbles. A marble is drawn at random and not replaced. Then a second marble is drawn. What is the probability that both marbles are purple?

If you roll a die one time, find P(rolling a 2).

• 1/6
• 2/6
• 1/3
• 1/2

Tags

CCSS.7.SP.C.7A

If you roll a die one time, find P(even number).

• 1/4

• 2/6, or 1/3

• 3/6 or 1/2

• 3/4

Tags

CCSS.7.SP.C.7B

If you roll a die one time, find P(a number less than 3).

• 2/6, or 1/3

• 5/6

• 3/6, or 1/2

• 2/5

Tags

CCSS.7.SP.C.7B

A bag contains 5 blue marbles, 4 red marbles, and 3 orange marbles. Mrs. Cox picks one without looking, replaces it and picks another one. What is the probability that she picks two that are not orange? 

• 9/16
• 3/4
• 9/144
• 5/16