Heights (in inches) obtained by a group of people in a random survey is reported in the table. What is the expected height (in inches)? Heights
Probability
55
0)007
60
0)024
65
0)112
70
0)357
75
0)357
80
0)112
85
0)024
90
0)007

A) 80 in.
B) 78.3 in.
C) 78 in.
D) 71.8 in.
E) 72.5 in.

Question

Heights (in inches) obtained by a group of people in a random survey is reported in the table. What is the expected height (in inches)? Heights
Probability
55
0)007
60
0)024
65
0)112
70
0)357
75
0)357
80
0)112
85
0)024
90
0)007
​
A) 80 in.
B) 78.3 in.
C) 78 in.
D) 71.8 in.
E) 72.5 in.

Quizplus · Accepted Answer

The Answer of Heights (in inches) obtained by a group of people in a random survey is reported in the table. What is the expected height (in inches)? Heights
Probability
55
0)007
60
0)024
65
0)112
70
0)357
75
0)357
80
0)112
85
0)024
90
0)007
​
A) 80 in.
B) 78.3 in.
C) 78 in.
D) 71.8 in.
E) 72.5 in.

Heights (In Inches) Obtained by a Group of People in a Random