A box contains 15 green and 10 yellow balls. If 10 balls are randomly drawn…
Mathematics · JEE Main · NTA Exams — Statistics and Probability
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
- 6
- 4
- \(\frac{6}{25}\)
- \(\frac{12}{5}\)
Answer
(D) 12 5
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