Question 19

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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: 

$\Pr (x>1)=\frac{5+10+3}{30}=\frac{18}{30}=\frac{3}{5}$

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