Probability density function of a random variable X is given below
\[{\text{f}}\left( {\text{x}} \right) = \left[ {\begin{array}{*{20}{c}}
{0.25}&{{\text{if }}1 \leqslant {\text{x}} \geqslant 5} \\
0&{{\text{otherwise}}}
\end{array}} \right]\,{\text{P}}\left( {{\text{X}} \leqslant 4} \right)\]
A. $$\frac{3}{4}$$
B. $$\frac{1}{2}$$
C. $$\frac{1}{4}$$
D. $$\frac{1}{8}$$
Answer: Option A
This Question Belongs to Engineering Maths >> Probability And Statistics
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