MathematicsEasy75×since 2002Q4985Let 9 distinct balls be distributed among 4 boxes, B₁, B₂, B₃ and B₄. If the probability than B₃ contains exactly 3 balls is k(34)9k{\left( {{3 \over 4}} \right)^9}k(43)9 then k lies in the set :A{x ∈\in∈ R : |x −-− 3| < 1}B{x ∈\in∈ R : |x −-− 2| ≤\le≤ 1}C{x ∈\in∈ R : |x −-− 1| < 1}D{x ∈\in∈ R : |x −-− 5| ≤\le≤ 1}Check answerSkip