given any random student, what is the probabilitythat i choose a female student or someone whit a c

Answer 1

Pr(female) = 1/2

Pr(C) = maybe about 1/2

Pr(female and C)= maybe 1/4

Pr(female or C) + Pr(female) + Pr(C) - Pr(female and C) = 1/2 + 1/2 - 1/4= 3/4 = 75%