A state transportation department evaluate many numerical va
     A state transportation department evaluate many numerical variable about a person before  on an appropriate rate for automobile insurance it  random sample of insured drivers and recorded, X, the number of claims each made in the last 3 years, with the following results  how many divers are represented in the sample?   
  
  Solution
The right column says the number of drivers with X claims in the last 3 years.
Thus, there are 7+8+12+5+1 = 33 [ANSWER, OPTION C]

