Giving a test to a group of students, the grades and gender are summarized below Grades and Gender A B C Total Male 6 18 3 27 Female 13 20 12 45 Total 19 38 15 72 If one student is chosen at random,...

Giving a test to a group of students, the grades and gender are summarized below

If one student is chosen at random, find the probability that the student did NOT get an "A"


Probability =         (Round to 4 decimal places)