The Probability distribution of a discre

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Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Probability Distributions

Question:

The Probability distribution of a discrete random variable X is given as :

X	0	1	2	3
P(X)	$2k^2$	$k^2$	$3k^2$	$k$

The mean of the distribution is :

Options:

$\frac{4}{3}$

$\frac{5}{3}$

$\frac{7}{6}$

$\frac{16}{9}$

Correct Answer:

$\frac{16}{9}$