设随机变量X~U[0,1],由切比雪夫不等式可得P{∣X-1/2∣≥1/√3}≤____.

设随机变量X~U[0,1],由切比雪夫不等式可得P{∣X-1/2∣≥1/√3}≤____.
【正确答案】:1/4

【题目解析】:∵X~U(0,1)∴E(X)=1/2,D(X)=1/12 ∴P{∣X-1/2∣≥1/√3}≤D(X)/(1/3)=1/4