Probability Review

Rolling a number greater than 5 with a number cube

• impossible

• unlikely

• as likely as not

• likely

• certain

drawing a blue marble from a bag of black and white marbles

• impossible

• unlikely

• as likely as not

• likely

• certain

Randomly drawing a red or pink card from a deck of red and pink cards

• impossible

• unlikely

• as likely as not

• likely

• certain

Flipping a coin and getting tails

• impossible

• unlikely

• as likely as not

• likely

• certain

Natalie almost always sleeps in on Saturday mornings when she does not have to work. If it is Saturday morning and Natalie does not have to work, how likely is it that Natalie will sleep in?

• impossible

• unlikely

• as likely as not

• likely

• certain

Cam hit the bull's-eye in darts 8 times out of 15 throws. What is the experimental probability that Cam's next throw will hit the bull's-eye?

• 8%

• 8/15

• 15/8

• 0.15

While bowling with friends, Alexis rolls a strike in 4 out of the 10 frames. What is the experimental probability that Alexis will roll a strike in the first frame of the next game?

• 4.10

• 2/5

• 20%

• 10/4

Jeremiah is greeting customers at a music store. Of the first 25 people he sees enter the store, 16 are wearing jackets and 9 are not. What is the experimental probability that the next person to enter the store will be wearing a jacket?

• 9/16

• 9/25

• 16/34

• 16/25

How many possible outcomes are there when flipping two coins at the same time

• 1

• 2

• 3

• 4

What is the sample space for flipping two coins at the same time?

• H, T

• HH, HT, TT

• HH, HT, TH, TT

• HH, TT