判断下列试验是不是
重伯努利试验.
(1)依次投掷四枚质地不同的硬币,
次正面向上;
(2)某人射击,击中目标的概率是稳定的,他连续射击了
次,其中
次击中;
(3)口袋中装有
个白球,
个红球,
个黑球,依次从中抽取
个球,恰好抽出
个白球.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(1)依次投掷四枚质地不同的硬币,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
(2)某人射击,击中目标的概率是稳定的,他连续射击了
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
(3)口袋中装有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
20-21高二·全国·课后作业 查看更多[2]
更新时间:2021-10-20 13:59:01
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