概率学的题目,假设X为某连续非负数的随机变数,当x为[0,无限)时,它的概率分布函数为F(x),它的概率密度分布函数为f(x).它的失败率为r(x)=f(x)/(1-F(x))如图,它的生存率为G(X)如图.请问(A).证
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![概率学的题目,假设X为某连续非负数的随机变数,当x为[0,无限)时,它的概率分布函数为F(x),它的概率密度分布函数为f(x).它的失败率为r(x)=f(x)/(1-F(x))如图,它的生存率为G(X)如图.请问(A).证](/uploads/image/z/7696588-4-8.jpg?t=%E6%A6%82%E7%8E%87%E5%AD%A6%E7%9A%84%E9%A2%98%E7%9B%AE%2C%E5%81%87%E8%AE%BEX%E4%B8%BA%E6%9F%90%E8%BF%9E%E7%BB%AD%E9%9D%9E%E8%B4%9F%E6%95%B0%E7%9A%84%E9%9A%8F%E6%9C%BA%E5%8F%98%E6%95%B0%2C%E5%BD%93x%E4%B8%BA%5B0%2C%E6%97%A0%E9%99%90%29%E6%97%B6%2C%E5%AE%83%E7%9A%84%E6%A6%82%E7%8E%87%E5%88%86%E5%B8%83%E5%87%BD%E6%95%B0%E4%B8%BAF%EF%BC%88x%EF%BC%89%2C%E5%AE%83%E7%9A%84%E6%A6%82%E7%8E%87%E5%AF%86%E5%BA%A6%E5%88%86%E5%B8%83%E5%87%BD%E6%95%B0%E4%B8%BAf%EF%BC%88x%EF%BC%89.%E5%AE%83%E7%9A%84%E5%A4%B1%E8%B4%A5%E7%8E%87%E4%B8%BAr%28x%29%3Df%28x%29%2F%281-F%28x%29%29%E5%A6%82%E5%9B%BE%2C%E5%AE%83%E7%9A%84%E7%94%9F%E5%AD%98%E7%8E%87%E4%B8%BAG%EF%BC%88X%29%E5%A6%82%E5%9B%BE.%E8%AF%B7%E9%97%AE%28A%29.%E8%AF%81)
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