JEE Main 2021 (25 February Morning Shift)

Question

Let 9 distinct balls be distributed among 4 boxes, B1, B2, B3 and B4. If the probability than B3 contains exactly 3 balls is $k{\left( {{3 \over 4}} \right)^9}$ then k lies in the set :

Accepted Answer

{x $\in$ R : |x $-$ 3| < 1}

Answer

{x $\in$ R : |x $-$ 2| $\le$ 1}

Answer

{x $\in$ R : |x $-$ 1| < 1}

Answer

{x $\in$ R : |x $-$ 5| $\le$ 1}

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