The venn diagram above shows the numbers of stu... - JAMB Mathematics 2002 Question
A
0.38
B
0.13
C
0.50
D
0.25
correct option: d
30 - x + x + 40 - x = 80 - 20
70 - x = 60
- x = 60 - 70
- x = - 10
∴ x = 10
Music only = 30 - x
= 30 - 10
20
P(music only) = 20/80
= 1/4
= 0.25
70 - x = 60
- x = 60 - 70
- x = - 10
∴ x = 10
Music only = 30 - x
= 30 - 10
20
P(music only) = 20/80
= 1/4
= 0.25
Please share this, thanks:
Add your answer
No responses