Making a Prediction with Probability

Tayo flipped four coins during a probability experiment. Based on the information in the table, in how many of the next 90 trials will the outcome be two heads and two tails?

• 15

• 27

• 75

• 18

A bag contains: 5 red marbles, 6 blue marbles, 3 green marbles, 4 black marbles, and 2 yellow marbles. A marble will be drawn from the bag and replaced 100 times. What is a reasonable prediction for the number of times a green or black marble will be drawn?

Mathematical Equivalence

ON

Theoretically, what is the probability of landing on a number greater than 6 if the spinner is spun 200 times?

• 1/6

• 1/8

• 1/4

• 1/2

The spinner is spun 64 times. What is a reasonable prediction for the number of times the spinner will land on an odd number?

• 10

• 24

• 40

• 320

The spinner is spun 60 times.

What is the best prediction for the number of spins that will land on 1 or 2?

• 40 times

• 20 times

• 35 times

• 45 times

Jill rolls a number cube 30 times.

How many times should she expect it to land on a 4?

• 5 times

• 4 times

• 6 times

• 8 times

What is the best prediction for the number of times it will land on a number greater than 4?

• 5 times

• 8 times

• 10 times

• 15 times

• 5 times

• 7 times

• 9 times

• 10 times

Tina randomly selected a paper clip, records its color, and returns it to the box.

She does this 30 times. How many times should she expect to get a blue paper clip?

• 4 times

• 5 times

• 6 times

• 7 times

George randomly selected a paper clip, records its color, and returns it to the box. He does this 300 times. How many times should he expect to get a red paper clip?

• 100 times

• 150 times

• 75 times

• 60 times