7.8 Probability Review

The arrow is spun 15 times and landed 4 times on the section labeled Q. Which statement is true?

• The experimental probability is 1/5 and the theoretical probabiity is 1/5.

• The experimental probability is 1/5 and the theoretical probabiity is 4/5.

• The experimental probability is 4/15 and the theoretical probabiity is 1/5

• The experimental probability is 4/15 and the theoretical probabiity is 4/15.

Shannon has a bag of jelly beans. She removed one jelly bean, recording the color, and then replaced it. She repeated the process 44 times and record her results in the table. What is the experimental probability of her selecting a red jelly bean?

• 11/44

• 1/3

• 1/4

• 18/26

Tags

CCSS.7.SP.C.6

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

• 3/10

• 3/6

• 1/9

• 1/3

Tags

CCSS.7.SP.C.7B

Kate spun the spinner 75 times and landed on "3" thirty times.

What is the experimental probability as a percentage?

• 20%

• 30%

• 40%

• 50%

Tags

CCSS.7.SP.C.6

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.

Mrs. Trevino has 3 red pens, 5 pink pens, and 8 blue pens. What is the probability that she will choose a blue pen to grade papers?

• 1/2

• 8

• 3/6

• 16/8

Tags

CCSS.7.SP.C.7B

A bag has 15 pink pens and 12 purple pens. If you select one pen from the bag, what is the probability you will select a purple pen?

• 4/5

• 5/4

• 4/9

• 5/9

Tags

CCSS.7.SP.C.7B