Question

At a UB event, a student's name will be picked at random to win an XBox player. Present are S female seniors, T male seniors, 2*H female juniors, H+F male juniors, H female sophomores, L male sophomores, T-H female freshman and H+F+L male freshmen. Students may only be in one school year at a time.

Rounding your answers to three decimal places, determine the probability that:

a. a senior or a junior is picked Ans.___________

b. a freshman or a female is picked Ans.___________

c. a freshman is NOT picked Ans.___________

d. a sophomore or a male is picked Ans.___________

H = 6

T = 27

F = 3

L = 7

S = 47

Please do it correctly and need to show steps

Answer 1