标题: GWD31-7几道题，求解释，谢谢 [打印本页] 作者: lafuria 时间: 2010-3-18 22:08 标题: GWD31-7几道题，求解释，谢谢 If 2 different representatives are to be selected at random from a group of 10 employees and if p is the probability that both representatives selected will be women, is p > ?(1)More than of the 10 employees are women.(2)The probability that both representatives selected will be men is less than .
If x is a positive integer, is the remainder 0 when 3x + 1 is divided by 10? (1)x = 4n + 2, where n is a positive integer. (2)x > 4 Q36:
What is the sum of a certain pair of consecutive odd integers?