Unit Review (Quiz Grade)

What is the probability of selecting an even number from (1-16)

• 7/16

• 2/16

• 1/2

• 1/8

Tags

CCSS.7.SP.C.7B

Twelve students have an equally likely chance of being selected in a drawing at school. Eight are girls and four are boys. What is the probability that a boy will be selected?

• 1/3

• 4/8

• 1/4

• 1/2

Tags

CCSS.7.SP.C.7B

Two coins are flipped. What is the probability that both the coins land on tails?

• 1/4

• 1/2

• 1/8

• 1/16

There are 7 marbles in a bag. Three are green and 4 are yellow. You draw a marble, replace it, and then draw another. What is the probability of choosing two green marbles?

• 1/7

• 16/49

• 9/49

• 3/13

A standard number cube is rolled.  There will be _ total possible outcomes?

• 5

• 12

• 6

• 1

What are independent events?

• When the outcome of one event impacts the outcome of another

• The ratio of the number of times an event occurs to the total number of trials. Answers the question “What happened?”

• When the outcome of one event does not impact the outcome of another

Tags

CCSS.HSS.CP.A.5

Experimental Probability is:

• What Will happen 
• What actually happens
• What should happen
• What I think Happens

Theoretical Probability is:

• What Will happen

• What actually happens

• What should happen

• What I think Happens

Find the experimental probability:
Roll dice:  1, 3, 3, 4, 4
P(1) = 

• 3/5
• 1/6
• 2/5
• 1/5

Tags

CCSS.7.SP.C.6

You completed an experiment where you rolled a dice 12 times and recorded your data in the table above. What is the experimental probability of rolling a 3?

• 0%

• 100%

• 50%

• 25%

Tags

CCSS.7.SP.C.6