Question 8

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waecmaths question: 

A fair die is tossed once, what is the probability of obtaining neither 5 nor 2

Option A: 

$\tfrac{5}{6}$

Option B: 

$\tfrac{2}{3}$

Option C: 

$\tfrac{1}{2}$

Option D: 

$\tfrac{1}{6}$

waecmaths solution: 

$\begin{align}  & \text{Since the die is tossed once, you can obtain 2 or 5 just once} \\ & \Pr (2or5)=\frac{1}{6} \\ & \Pr (2or5)'=1-\frac{1}{6}=\frac{5}{6} \\\end{align}$

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