MS 150 Statistics Fall 2002 Quiz Five Name:
Heads (x) 
Freq 
P(x) 
x*P(x) 
7 
8 
0.01 

6 
76 
0.06 

5 
199 
0.15 

4 
370 
0.28 

3 
390 
0.29 

2 
236 
0.18 

1 
58 
0.04 

0 
8 
0.01 


1345 
1.00 

 Based on the table above, what is the most common number of heads?
 Based on the table above, what is the probability of throwing seven heads, P(x=7)?
 Based on the table above, what is the probability of throwing three or more heads, P(x >= 3)
 Fill in the x*P(x) column and calculate the mean or expected number of heads.