GWD 1-2

freesimens

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 > ATH connecttype="rect" gradientshapeok="t" extrusionok="f">ATH>?

(1) More than of the 10 employees are women.

(2) The probability that both representatives selected will be men is less than .

如何求解?

apply1

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 >1/2 ?

(1) More than 1/2 of the 10 employees are women.

(2) The probability that both representatives selected will be men is less than1/10.

freesimens

thanks    a   lot  !!!!!!!![em24][em24]