• 2022-10-26 问题

    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}

    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}

  • 2022-10-26 问题

    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': ['1803bbe2677c732.png 0.800.25', '1803bbe2709ade8.png0.820.23', '1803bbe2677c732.png0.800.25 +[img=21x27]1803bbe28127e68.png[/img]0.810.24 + [img=21x27]1803bbe2709ade8.png[/img]0.820.23', ''], 'type': 102}

    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': ['1803bbe2677c732.png 0.800.25', '1803bbe2709ade8.png0.820.23', '1803bbe2677c732.png0.800.25 +[img=21x27]1803bbe28127e68.png[/img]0.810.24 + [img=21x27]1803bbe2709ade8.png[/img]0.820.23', ''], 'type': 102}

  • 2022-07-25 问题

    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( ) A: [img=21x27]1803bbe466774f3.png[/img]0.800.25 B: [img=21x27]1803bbe46e8e8d7.png[/img]0.820.23 C: [img=21x27]1803bbe466774f3.png[/img]0.800.25+[img=21x27]1803bbe480095f0.png[/img]0.810.24+[img=21x27]1803bbe46e8e8d7.png[/img]0.820.23 D: [img=344x56]1803bbe493809fd.png[/img]

    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( ) A: [img=21x27]1803bbe466774f3.png[/img]0.800.25 B: [img=21x27]1803bbe46e8e8d7.png[/img]0.820.23 C: [img=21x27]1803bbe466774f3.png[/img]0.800.25+[img=21x27]1803bbe480095f0.png[/img]0.810.24+[img=21x27]1803bbe46e8e8d7.png[/img]0.820.23 D: [img=344x56]1803bbe493809fd.png[/img]

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