Chapter 21 Quiz: Probability

Find the probability of rolling greater than a 1 on a single die.

• 6/6
• 5/6
• 4/6
• 1/6

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

Tags

CCSS.7.SP.C.5

Probability is ...

• the chance that some event will occur.
• a game that involves coins.
• a guarantee.

Tags

CCSS.7.SP.C.5

What is the probability of rolling a cube and having it land as a six?

• 1/6
• 5/6
• 1/3
• 1/2

Tags

CCSS.7.SP.C.5

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?*

• 5/11

• 5/6

• 1/3

• 5

A bag has 3 red marbles, 2 blue, 4 green, and 1 yellow. What is the theoretical probability of pulling a red?*

• 3/10

• 3/9

• 1/9

• 1/3

Which event is not a dependent event?

• Picking 2 students to each be line leader and door holder from a group of 20 students
• Picking 2 marbles from a bag without replacing the first marble
• Picking 2 crayons from a box at the same time (simultaneously) 
• Picking an earring, replacing it, then picking a 2nd earring

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

You flip a nickel three times.

Find the probability that all flips will land on tails.*

• 1/2

• 1/4

• 1/6

• 1/8

A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?*

• 1/9

• 2/9

• 5/21

• 10/21

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