Name: 
 

Lesson 6: Comparing Theoretical and Experimental Probabilities



 1. 

Leah dropped 2 coins simultaneously.  She recorded her results on the table below.

h-ht-th-tt-ht-tt-hh-th-tt-ht-t
t-hh-ht-th-ht-hh-th-tt-th-ht-h
t-th-ht-hh-tt-hh-ht-th-ht-hh-t

What is the theoretical probability that Leah will flip two heads?
a.
1/4
b.
0.5
c.
0.75
d.
40%
 

 2. 

What is the theoretical probability that Leah will flip 2 tails?
a.
0.25
b.
1/2
c.
75%
d.
2/5
 

 3. 

What is the theoretical probability that Leah will flip either a heads or a tails?
a.
25%
b.
50%
c.
3/4
d.
0.4
 

 4. 

What is the experimental probability that Leah flipped two heads?
a.
0.4
b.
7/30
c.
50%
d.
0.8
 

 5. 

What is the experimental probability that Leah flipped two tails?
a.
0.25
b.
30%
c.
1/3
d.
7/30
 

 6. 

What is the experimental probability that Leah flipped a tails and a heads?
a.
16/30
b.
0.4
c.
30%
d.
0.65
 

 7. 

If you randomly selected a number from 1-100, what is the theoretical probability that the number is even?
a.
0.5
b.
25%
c.
0.75
d.
1/3
 

 8. 

If you randomly selected a number from 1-100, what is the theoretical probability that the number is a multiple of 5?
a.
0.4
b.
30%
c.
20%
d.
1/3
 

 9. 

If you randomly selected a number from 1-100, what is the theoretical probability that the number is a multiple of 10?
a.
10%
b.
0.2
c.
4/10
d.
30%
 

 10. 

If you randomly selected a number from 1-100, what is the theoretical probability that the number contains a 3?
a.
20%
b.
0.19
c.
0.5
d.
1/6
 



 
Check Your Work     Start Over