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学科：2023-2024-1概率统计A
时间：2023-11-14 06:40:02
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题目1单选题
<img src="https://tihai-oss-cloud.itihey.com/img/ce25ff035b389f09eb80e9d897b58c1d.png"><img src="https://tihai-oss-cloud.itihey.com/img/686c7ea66429df42605c04a585838832.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/50f663ebd427c9fe742a0a9c6e8ddb28.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/debe2e8f506c9456c70a92480729ba8e.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/efa1bdc72f02b6d7a28f102268e19f31.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/04a1a098765c95bcde7e8a25889c135a.png">
题目2单选题
<img src="https://tihai-oss-cloud.itihey.com/img/6e0069097dfff5d7394c1fe714fb9fb8.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/b446a8c64c4af59a3d02c58ecfb2c839.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/6d31a82b7f27159ad4c9f17757b6a5ab.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/6c2c7d8de8d6ee5230cd68de5a868fe1.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/b2d18c0db42610db580ca86229dc1ceb.png">
题目3单选题
<img src="https://tihai-oss-cloud.itihey.com/img/6b32472958e1fb7702394c8712ff80d5.png">A. -0.5B. 2C. 0.5D. 0
题目4单选题
<img src="https://tihai-oss-cloud.itihey.com/img/691f79a0fd90b78c1968254b4db33552.png">A. -0.25B. 0C. 0.5D. 0.25
题目5单选题
设随机变量X的分布律为<img src="https://tihai-oss-cloud.itihey.com/img/09ae7514b2257cff7b8c878c6f89fc63.png">则E(2X+1)=( )A. <img src="https://tihai-oss-cloud.itihey.com/img/6b9c843bdfb6329e76ea503f7410db75.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/458a81aee90a67c9aaefbe88f08db3c0.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/796dd5d06730136378e5742f0a272955.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/feadd4210add04ea33177d0315c288ce.png">
题目6单选题
<img src="https://tihai-oss-cloud.itihey.com/img/16af3dec838284b988c92fd722e74347.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/32a5f698ae5bfa5b32d2407ed38f659b.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/7cc7214d8b63c5205fb38d499de18f2e.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/a309f13ade27cfa621654a56cec3b97b.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/a329be45c6eff87de3997283f78cc644.png">
题目7单选题
<img src="https://tihai-oss-cloud.itihey.com/img/f6092f35a3f6d4113c9d37b1a2ff0ae9.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/0a23d77b9bde06620016bf72ee73a116.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/669c3188eec8b7b67a169c9c0f843408.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/b0a0e11b0219d09b96d22e9444fb5b17.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/da7f52b5be640372fb0f535aafacf4e8.png">
题目8单选题
<img src="https://tihai-oss-cloud.itihey.com/img/979b4a36c622bfdbd3fdfcb278fe35c3.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/3e47b5b879fb33a75cf1222b27e9ebba.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/8ccdd251e3db0d6ec1177d5aac1ecc4c.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/1d156632d8ed89756700e616cdabff48.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/af201e14e5b2d6f02b12d4702cbb227a.png">
题目9单选题
Python表达式中,可以使用( )控制运算的优先顺序A. 方括号[]B. 圆括号()C. 尖括号<>D. 大括号{}
题目10单选题
下列标识符中合法的是( )A. 3QB. forC. _D. i'm
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