waecmaths question:
|
Number of pets |
0 |
1 |
2 |
3 |
4 |
|
Number of students |
8 |
4 |
5 |
10 |
3 |
The table shows the number of pets kept by 30 students in a class. If a students is picked at random from the class . What is the probability that he/she kept more than one pet?
Option A:
$\tfrac{1}{5}$
Option B:
$\tfrac{2}{5}$
Option C:
$\tfrac{3}{5}$
Option D:
$\tfrac{4}{5}$
waecmaths solution:
$\Pr (x>1)=\frac{5+10+3}{30}=\frac{18}{30}=\frac{3}{5}$
maths year:
maths topics: