• 2022-10-26
    某人打靶命中率为0.8,若独立地射击5次,则5次中最多命中2次的概率为( )
    未知类型:{'options': ['1803bbe466774f3.png0.800.25', '1803bbe46e8e8d7.png0.820.23', '1803bbe466774f3.png0.800.25+[img=21x27]1803bbe480095f0.png[/img]0.810.24+[img=21x27]1803bbe46e8e8d7.png[/img]0.820.23', ''], 'type': 102}