A box contains 15 green and 10 yellow balls.

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Question:
A box contains 15 green and 10 yellow balls. If 10 balls are randomly drawn, one-by-one, with replacement, then the variance of the number of green balls drawn is :-

$\frac{6}{25}$
$\frac{12}{5}$
6
4

Correct Option: , 2

Solution:

A box contains 15 green and 10 yellow balls.

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