Prediction from Probability

The sections of spinner below are shaded red, blue, or green. Out of 24 spins, how many times will the spinner land on blue or green? 

• 16

• 20

• 12

• 6

Shelly has a bag with 8 white balls, 9 red balls, 13 green balls, and 10 orange balls. If she chooses a ball from the bag without looking, which color ball will Shelly be most likely to choose? 

• white 

• red 

• green

• orange 

The grocery store will ask another group of 25 dentists each to recommend a toothpaste brand. Based on the information in the table, what is the most reasonable prediction of the number of dentists in this group who will recommend Brand T?

• 3

• 2

• 9

• 4

P(not A) = 
*Remember to simplify.*

• 6/8

• 3/4

• 2/8

• 1/4

• 1/48
• 1/6
• 1/8
• 1/24

Jillian rolled a number cube 360 times. About how many times do you expect her to roll a 2?

• 20 

• 180

• 60 

• 120

These 12 shapes are put into a bag.  What is the probablity of reaching into the bag without looking and pulling out a square, NOT replacing the square and pulling out a second square?

• 1/11

• 1/9

• 1/3

Four colors of blocks are placed in a bag and each time a block is chosen from the bag, its color is written down in the table and the placed back in the bag.  The experiment is conducted 75 times.  Which color has an experimental probability of 1/3?

• green

• blue

• yellow

• red

While standing outside of the school waiting to go home, you notice that 3 out of every 12 students leaving school are on their cell phones.  What is the probability that the next student leaving school will NOT be on his or her cell phone?

• 25%

• 30%

• 75%

• 70%

Find the experimental probability of spinning Letter Q.

• 15/15

• 3/10

• 3/50

• 7/10