During a gift exchange, ten different gifts are labeled 1-10 and placed in a pile. Each person takes a turn selecting a gift without replacing it. what is the probability that he first gift chosen is gift #3 and the second if gift #9 (My cousin desperately needs help because he's having a test soon and I don't remember any of this!)

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%