Probability

Theoretcial

100

What is the theoretical probability of landing on heads? As a fraction

1/2

200

A bag of candy contains 2 pieces of bubble gum, 4 jolly ranchers, and 10 tootsie rolls. What is the probability of selecting a tootsie roll or bubble gum. Write as a percent

75%

300

What is the probability of landing on a non shaded square? 

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17/35

400

A fair number cube has six sides,  numbered 1 through 6.  Which of the events has the highest probability of occurring?

A. a number less than 3

B. an even number

C. a number greater than 2

D. an odd number

C

500

A dice is rolled 90 times what is the expected number of times I land on the number 3?

15

Experimental

100

A number cube with the numbers one through six is rolled 100 times and lands on the number four 30 times. Calculate the experimental probability of rolling a four.  

3/10

200

I flipped a coin 50 times and it landed on heads 22 times. What is the experimental probability of landing on heads?

11/25

300

A student has a jar containing red, green, and blue marbles of the same size and shape. She randomly selects one marble from the jar, records its color, and puts it back in the jar. She repeats this experiment 200 times. The table shows the result of the experiment.

RED: 75

Green:100

Blue: 25

What is the probability of blue?

1/8

400

I flipped a coin 75 times and landed on heads 35 times. What is the experimental probability of landing on tails?

8/15

500

Phil drew pieces of gum out of a bag. He got 25 mint pieces and 30 fruit pieces. What was the experimental probability of getting a fruit piece. Write as a percent and round to the nearest whole percent.

55%

Comparing

100

Which color experimental probability is the closest to the theoretical probability?

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Red

200

Several students conducted a simulation where a standard coin was tossed several times and the results were recorded in a table.  Which table shows an experimental probability of landing on tails that is closest to the theoretical probability of landing on tails?

A: H 18 T 32

B: H 22 T 28

C: H 30 T 40

D: H 27 T 33

 D

300

A number cube with the numbers one through six is rolled 100 times and lands on the number four 30 times. What is the difference as a decimal between the experimental and theoretical probability of rolling a 4

0.14

400

A spinner has 4 sections of equal size labeled T, V, W, and X.  The arrow of this spinner was spun 10 times and landed 7 times on the section labeled W. 

Write down the theoretical and experimental probability of landing on W as a fraction

T:1/4 E:7/10

500

There are 6 different cards in side of a bag.

A card is randomly selected then placed back inside the bag.

This is done 18 times. The card E is selected 4 times.

What is the Theoretical Probability and the Experimental Probability of selecting E

T 1/6

E 2/9