Probability Prediction Proportions

If you spin the spinner 90 times, how many times should the number 3 be selected?

• 9

• 15

• 16

• 30

Isidro flips a fair coin 40 times. How many times can he expect heads to appear?

• 4

• 10

• 15

• 20

Suppose there are 200 students in the cafeteria during lunch. How many students would you expect to choose pizza as their favorite cafeteria food? Hint: These 200 students are a prediction.

• 90

• 104

• 18

• 72

If a dice is rolled 300 times, how many times would you predict a roll of a 1 or a 6?

• 50

• 100

• 150

• 75

• 1425
• 1475
• 1525
• 1575

In a random survey of 50 students at Great Middle School, 32 said chocolate was their favorite flavor of yogurt. The school has 450 students. How many of them are likely to select chocolate as their favorite flavor? 

• 144

• 162

• 225

• 288

The table shows the political party affiliations for a medium-sized neighborhood with 94 adults. If the neighborhood is representative of a town with an adult population of 9000, approximately how many of them are likely to be Independents?

• 1150

• 1500

• 2800

• 4000

Based on the results shown in the table, how many white marbles would one expect to draw in a total of 50 draws? (hint:set up a proportion)

• 2

• 5

• 10

• 20

• A

• B

• C

• D