100个数(00-99)随机取10个,不含4的概率。求解求过程。答:含4的概率是带4的数字4,14,24,34,44,54,64,74,84,94,,41,42,43,45,46,47,48,49,40,十九个数,概率是0.19,所以不含4的概率是1减0.19等于0,81
100个数(00-99)随机取10个,不含4的概率。求解求过程。答:含4的概率是带4的数字4,14,24,34,44,54,64,74,84,94,,41,42,43,45,46,47,48,49,40,十九个数,概率是0.19,所以不含4的概率是1减0.19等于0,81