GMAT scores from a sample of 50 applicants to an MBA program indicate
that none of the applicants scored below 450. A frequency
distribution was formed by choosing class intervals 450 t0 499, 500
t0 549 and so on with the last class having an interval from 700 to
749. Two applicants scored the interval from 700 to 749. Two
applicants scored in the interval of 450 to 499 and 16 applicants
scored in an interval 500 to 549. a.
What is the percentage of applicants scored below zero?