• 2021-04-14
    表示随机试验的样本空间():()袋子中有()3()个红球(),2()个白球(),1个黑球,()现有放回从()袋子中任取2个球(),()观察其颜色()。A.(){(红,红),(黑,黑),(白,白),(红,白),(红,黑),(白,红),(白,黑),(黑,红),(黑,白)}()B.(){(红,红),(黑,黑),(白,白),(红,白),(红,黑),(白,黑),(黑,白)}()C.(){(红,白),(红,黑),(白,红),(白,黑),(黑,红),(黑,白)}()D.(){(红,红),(白,白),(红,白),(红,黑),(白,红),(白,黑),(黑,红),(黑,白)}