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hmmm. shouldn't u already noe this? the problem with the unordered pairs is that not all outcomes are equally likely, its like u expecting the bottom team to beat the top team. In a perfect probability world, with nine trials, u would get WW once, because each time, the chance of drawing a...

there are three cowboys, each with a different shooting ability. Cowboy 1 has a 1/3 chance of hitting on any one shot. Cowboy 2 has a 1/2 chance of hitting on any one shot. Cowboy 3 has a 2/3 chance of hitting on any one shot. (perhaps someone imaginative could come up with some names)...

slingshot b careful if asked to explain where the energy from the effect comes from. The energy comes from the orbital velocity of the planet. However, as we know, a large change in the ship's velocity will affect a negligible change the planet's velocity. The planet will eventually slow...