Question
$P(X=x)= \begin{cases}\left(\begin{array}{l}5 \\ x\end{array}\right) \frac{1}{2^5}, & x=0,1,2,3,4,5 \\ 0 & \text { otherwise }\end{cases}$ Show that $P(X \leq 2) = P(X \geq 3).$
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