A bag contains 4 white and 6 black balls. Three balls are drawn at random from the bag. Let X be the number of white balls, among the drawn balls. If σ² is the variance of X, then 100 σ² is equal to _ _ _ _.

Statistics and Probability: JEE Main 2022 Mathematics question

JEE Main 2022 · 28 Jul, Evening shift · Q44

JEE Main 202228 Jul, Evening shiftMathematicsMediumStatistics and Probability258× since 2002

A bag contains 4 white and 6 black balls. Three balls are drawn at random from the bag. Let

\mathrm{X}

be the number of white balls, among the drawn balls. If

\sigma^{2}

is the variance of

\mathrm{X}

, then

100 \sigma^{2}

is equal to ________.

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2022 Statistics and Probability Question with Answer (28 Jul Evening shift, Q44) | JEE Arc