14.Probability
easy

A die has two faces each with number $^{\prime}1^{\prime}$ , three faces each with number $^{\prime}2^{\prime}$ and one face with number $^{\prime}3^{\prime}$. If die is rolled once, determine $P (2)$.

A

$\frac{1}{2}$

B

$\frac{1}{2}$

C

$\frac{1}{2}$

D

$\frac{1}{2}$

Solution

Total number of faces $=6$

Number of faces with number $^{\prime} 2^{\prime}=3$

$\therefore P(2)=\frac{3}{6}=\frac{1}{2}$

Standard 11
Mathematics

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