:5. A nationwide survey inquired about the number of issues of
Time magazine (among the four most recent issues) that each
respondent had seen. The results are summarized in the following
table <p>

Number of issues seen Percent of sample seeing stated number  
                         of issues <p>

0 50
 1 20
 2 15
 3 10
 4  5 <p>

Using this table, we can find that the average number of issues
seen is closest to <p>

a.  100.00
 b.    1.0
 c.    2.0
 d.   10.0
 e.  not enough information given <p>