Quiz 1 - Experimental Probability

1. I flipped a coin 20 times and the results are below. What is the probability of getting tails?

H H H T H T T H T H T T T T H T H H T T

9/20
11/20
1/2
50%

2. I rolled a 6 sided die 25 times and the results are below. What is the probability of getting a 2?

6 4 2 1 2 3 4 6 5 4 2 2 1 5 3 4 6 2 1 2 1 3 5 4 4

6/25
19/25
3/25
0.5

3. I flipped a coin 30 times and the results are below. What is the probability of getting heads?

T H H T H T T H T H T H H H H T H T H H T H H H T H H H H H

1/3
21/30
0.5
0.667

4. I rolled an 8 sided die 40 times and the results are below. What is the probability of getting a 7?

6 7 5 4 8 2 5 1 3 2 7 6 3 8 3 7 2 6 8 3 5 1 7 3 8 1 2 8 6 3 5 8 5 3 1 2 4 8 5 7

1/8
7/40
80%
1/4