If a discrete random variable X has the following probabilit... | Mathematics | SolveeIt | Solveeit

Today, August 18

Question

If a discrete random variable X has the following probability distribution:

X	$\frac{2}{3}$	1	$\frac{4}{3}$
P(X)	$c^2$	$c^2$	c

then c is:

A

$\frac{1}{2}$

B

$\frac{1}{3}$

C

$\frac{1}{4}$

D

$\frac{1}{5}$

Answer

$\frac{1}{2}$

Explanation

Solution

The correct option is(A): $\frac{1}{2}$