Question

find the probability of getting head​

Answer 1

Explanation:

$\qquad\sf\longrightarrow s=\left\{H,T\right\}$

$\qquad\sf\longrightarrow |s|=2$

$\qquad\sf\longrightarrow E=getting\: result \:Head$

$\qquad\sf\longrightarrow E=\left\{H\right\}$

$\qquad\sf\longrightarrow |E|=1$

$\qquad\sf\longrightarrow p (E)=\dfrac {|E|}{|S|}$

$\qquad\sf\longrightarrow \dfrac{1}{2}$