2002
Mathematics
JAMB
The probability of a student passing any exam is 2/3. If the student takes three exams, what is the probability that he will not pass any of them?
A.
2/3
B.
4/9
C.
8/27
D.
1/27
Correct Answer: 1/27
Explanation
P(not passing exam) = 1−2/3 = 1/3 P(not passing any of the three exams) = 1/3 × 1/3 × 1/3 = 1/27
P(not passing exam) = 1−2/3 = 1/3 P(not passing any of the three exams) = 1/3 × 1/3 × 1/3 = 1/27THIS WEEK's
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