7th Grade Theoretical and Experimental Probability

Bella will roll a number cube, labeled 1 through 6, 300 times. About how many times could Bella expect to roll a number less than 4?

• 50

• 100

• 150

• 200

The probability of picking a quarter from a jar of coins is 0.125. If Daniel has 250 coins in the jar, about how many quarters are in the jar?

• 25

• 30

• 35

• 40

Alexis has a number cube labeled 2, 4, 6, 8, 10, and 12. He will roll the cube 100 times. About how many times could Alexis expect the number cube to land on 8?

• 5

• 8

• 11

• 16

Shamar can hit a target with a baseball 12 times out of 18 total throws. Based on that rate, what is the approximate probability he will hit the target on his next throw?

• 12%

• 18%

• 50%

• 67%

Achilles rolled a number cube, labeled 1 through 6, 200 times and recorded each of his results. About how many times could Achilles expect to roll a 3 or 4?

• 35

• 70

• 100

• 130

McKayla flipped a coin 150 times. How many times could McKayla expect the coin to land on tails?

• 25

• 50

• 75

• 100

The table shows the probability of drawing numbered tickets from a jar. If 8 tickets are randomly drawn, how many tickets would be expected to have a number that ends with a 6?

• 1

• 2

• 4

• 6

The table below shows actual results of drawing marbles from a bag. Based on the results shown in the table, how many white marbles would one expect to draw in a total of 50 draws?

• 2

• 5

• 10

• 20

Deon has 7 white chips, 5 red chips, and 8 blue chips in a bag. Without looking, Deon pulls a chip out, records the color, and puts it back in the bag. He does this 200 times. About how many times could Deon expect to pull out a blue chip?

• 25

• 65

• 80

• 100

Zyone flipped a fair coin 50 times. The table below shows her actual results. How many times should she have EXPECTED to flip heads?

• 18

• 25

• 32

• 50