Experimental and theoretical probability quiz answer Key

10 Questions | Total Attempts: 1540

• Compare and contrast experimental probability and theoretical probability.

• Find the theoretical probability of a coin landing on heads.

• A coin is tossed 50 times, and it lands on heads 28 times.  Find the experimental probabililty of the coin landing on heads.

• Between 3:00- 4:00 p.m., 11 sedans, 15 trucks, and 6 sports cars drove through an intersection.  Based on this information, what is the probability that a vehicle that drives through the intersection is a sports car?

• In a survey taken at the beach, 47 people preferred cola, 28 preferred root beer, and 25 preferred ginger ale.  If the manager of the Beach Hut is going to buy 50 cases of soda for the next day, about how many cases should be root beer?

• Luis can fit 3 people in his car, including himself, but 5 of his friends want to ride with him to the track meet.  His friends are Tim, Maria, Lilly, Katey, and Scott.  To decide, Luis writes each of his friends' names on a separate people of paper and selects one. What is the theoretical probability that Luis picks a girl?

• Luis can fit 3 people in his car, including himself, but 5 of his friends want to ride with him to the track meet.  His friends are Tim, Maria, Lilly, Katey, and Scott.  To decide, Luis writes each of his friends' names on a separate people of paper and selects one. What is the theoretical probability that Luis picks someone whose name ends with the letter Y?

• Luis can fit 3 people in his car, including himself, but 5 of his friends want to ride with him to the track meet.  His friends are Tim, Maria, Lilly, Katey, and Scott.  To decide, Luis writes each of his friends' names on a separate people of paper and selects one. If Luis picks a name 12 times and Scott's name is picked 4 times, what is the experimental probability that Scott's name is picked?

• A die is tossed 24 times and lands on 1 three times. Find the theoretical probability of landing on a 1.

• A die is tossed 24 times and lands on 1 three times. Find the experimental probability of landing on a 1.

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This is a 7 day lesson plan (powerpoint and hard copy) covering the topics of simple, theoretical, and experimental probability. Each lesson includes a review question, discussion, problems for teacher to model, and problems for the students to try. The lesson plan includes days of instruction, days of practice, assignments, and activities.

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b. Joan picks a random counter out of a bag 

    10 times, and she got a yellow counter 

    7 times. What is the experimental

    probability of picking a yellow?

a.

What is the theoretical probability of picking a yellow counter in simplest form?

Sean is doing an experiment to see how many tails 

he can get when flipping a coin.

Trial

2

1

3

4

5

6

Outcome

Heads

Tails

Tails

Heads

Tails

Tails

b. What is the experimental 

probabilty of getting tails? 

(in simplest form)

a. What is the theoretical 

probability of getting tails?

What is the experimental probability of getting blue?

Results from choosing a counter 20 times

Green

10

Yellow

3

Blue

7

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