A box contains `15` green and `10` yellow balls. If `10` balls are randomly drawn, one-by-one, ...

1,907 views · Published 26 September 2017 · 1:53 · Indexed 20 September 2026

Channel: Doubtnut · 2017 · Education

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To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW 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:
 `4`

  (2) `6/(25)`

  (3) `(12)/5`

  (4) `6`

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