statistics and Probability

Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 3 16 14 33 Female 17 7 6 30 Total 20 23 20 63 If one student was chosen at random, find the probability that the student got a B. Giving a test to a group of students, the grades and gender are summarized below N A B C Total Male 17 6 14 37 Female 18 15 41 Total 35 21 22 78 If one student is chosen at random, Find the probability that the student did NOT get an "A" Giving a test to a group of students, the grades and gender are summarized below W A B C Total Male 15 8 20 43 Female 13 4 11 28 Total 28 12 31 71 If one student is chosen at random, Find the probability that the student was male AND got a "C". A test was given to a group of students. The grades and gender are summarized below A B C Total Male 10 12 9 31 Female 14 2 15 31 Total 24 14 24 62 If one student is chosen at random from those who took the test, Find the probability that the student was female GIVEN they got a 'B'. test was given to a group of students. The grades and gender are summarized below A B C Total Male 5 16 8 29 Female 12 11 20 43 Total 17 27 28 72 If one student is chosen at random from those who took the test, Find the probability that the student got a 'B' GIVEN they are male