2021
Mathematics
JAMB
Two numbers are removed at random from the numbers 1, 2, 3 and 4. What is the probability that the sum of the numbers removed is even?
A.
2/3
B.
1/2
C.
1/3
D.
1/4
Correct Answer: 1/2
Explanation
sample space = 16 sum of nos. removed are (2), 3, (4), 5 3, (4), 5, (6) (4), 5, (6), 7 (5), 6, 7, (8) Even nos. = 8 of them Pr(even sum) = 8/16 = 1/2
sample space = 16 sum of nos. removed are (2), 3, (4), 5 3, (4), 5, (6) (4), 5, (6), 7 (5), 6, 7, (8) Even nos. = 8 of them Pr(even sum) = 8/16 = 1/2THIS WEEK's
Latest Articles
Top-Scorer Okoro Uchechukwu Solomon Reveals How He Scored 337 in JAMB
by samuel olalekan adeyemi
Bouncing Back: How Samuel Isaac Overcame Setbacks to Score 265 in JAMB and What He Learned
by samuel olalekan adeyemi
Managing Stress During Exams: Practical Tips for Students
by samuel olalekan adeyemi
