For the given probability distribution :

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Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Probability Distributions

Question:

For the given probability distribution :

X	5	4	3	-3
P(X)	A	$\frac{2}{3}A$	$\frac{4}{27}$	$\frac{8A}{9}$

If mean $=\frac{19}{9}, $ then the value of constant A will be :

Options:

$\frac{1}{9}$

$\frac{2}{3}$

$\frac{1}{3}$

$\frac{2}{9}$

Correct Answer:

$\frac{1}{3}$