An exam consists of 8 true/false questions. Brian forgets to study, so he must guess blindly on each question. If any score above 70% is a passing grade, what is the probability that Brian passes?
(A) 1/16
(B) 37/256
(C) 5/32
(D) 219/256
(E) 15/16
Could anyone please explain?![]()
(A) 1/16
(B) 37/256
(C) 5/32
(D) 219/256
(E) 15/16
Could anyone please explain?