Question 15

Jambmaths question: 

A box containing10 black, 4 green and 6 yellow pens. What is probability of picking a yellow pen with eyes closed

Option A: 


Option B: 


Option C: 


Option D: 


Jamb Maths Solution: 

Total number of pens = 10 + 4 +6 =20

Number of yellow pens = 6

$\text{Probability =}\frac{\text{number of expected outcome}}{\text{total number of expected outcome}}$

$\Pr (Yellow)=\frac{6}{20}=\frac{3}{10}$

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