Of the students in a college attend a coaching class

MATHEMATICS · Single correct · A Level · Mathematics · Probability · Probability

Problem

60\%

of the students in a college attend a coaching class. The probability that a student passes an examination is

0.85

for those who attend coaching and

0.50

for those who do not. What is the probability that a randomly selected student fails the examination? (a)

0.36

(b)

0.71

(c)

0.29

(d)

0.325