MathematicsMedium75×since 2002Q4868The mean and variance of a random variable XXX having binomial distribution are 444 and 222 respectively, then P(X=1)P(X=1)P(X=1) is :A14{1 \over 4}41B132{1 \over 32}321C116{1 \over 16}161D18{1 \over 8}81Check answerSkip