Probability

The random variable \(\mathrm{X}\) follows binomial distribution \(\mathrm{B}(\mathrm{n}, \mathrm{p})\), for which the difference of the mean and the variance is 1 . If \(2 \mathrm{P}(\mathrm{X}=2)=3 \mathrm{P}(\mathrm{X}=1)\), then \(n^{2} \mathrm{P}(\mathrm{X}>1)\) is equal to :