(S 5.1) The following table shows the final marks, as letter grades, for a class of 186 students: M(en) W(omen) Total 19 13 32 28 35 26 18 44 14 22 36 23 16 39 Total 89 97 186 There are 7 variables here: one for each of the letter grades (A. B, C. D, F) and one for each gender (M. W). Find P(A) (i.e. what is the probability that a randomly selected student gets a A grade?). Round to 3 decimal places. Number