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录入2025届高二下学期校本作业-概率初步续 新题

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weiye.wang 2024-02-25 21:32:57 +08:00
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5
工具v2/文本文件/新题收录列表.txt
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@ -370,6 +370,9 @@
20240224-192835 2025届高二下学期校本作业-空间向量 20240224-192835 2025届高二下学期校本作业-空间向量
022048:022064,022066:022067,022078,022069:022071,041040:041041,022074:022077,022068,022079:022083 022048:022064,022066:022067,022078,022069:022071,041040:041041,022074:022077,022068,022079:022083
20240224-193406 2025届高二下学期校本作业-导数 20240224-193406
021365:021370,023638,021371,021373:021376,010793,022022,041042,021382,022023,021383:021387,021389,021391,022025,021388,021392:021394,041043,021396,022027,021397,022028,021401,021403,022029:022034,021410,022035:022037,021413,022038:022039,021415,022040:022041,021418,021420:021423,022042:022043,015852,021425,021428,022044:022045,041044,022046:022047,021432,021434,041045,021435,041046,021437:021438,031805 021365:021370,023638,021371,021373:021376,010793,022022,041042,021382,022023,021383:021387,021389,021391,022025,021388,021392:021394,041043,021396,022027,021397,022028,021401,021403,022029:022034,021410,022035:022037,021413,022038:022039,021415,022040:022041,021418,021420:021423,022042:022043,015852,021425,021428,022044:022045,041044,022046:022047,021432,021434,041045,021435,041046,021437:021438,031805
20240225-213222 2025届高二下学期校本作业-概率初步续
004572:004588,041047,004590:004595,041048,004597:004599,041049,004601:004618,019240,014818,010903,030519,030534,030517:030518,019245,030535,030538,030540,030552

75
题库0.3/Problems.json
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@ -338374,7 +338374,10 @@
"20221121\t王伟叶" "20221121\t王伟叶"
], ],
"same": [], "same": [],
"related": [], "related": [
"041048",
"041049"
],
"remark": "", "remark": "",
"space": "", "space": "",
"unrelated": [] "unrelated": []
@ -686772,7 +686775,9 @@
"20230104\t王伟叶" "20230104\t王伟叶"
], ],
"same": [], "same": [],
"related": [], "related": [
"041047"
],
"remark": "", "remark": "",
"space": "4em", "space": "4em",
"unrelated": [] "unrelated": []
@ -750916,5 +750921,71 @@
"remark": "", "remark": "",
"space": "4em", "space": "4em",
"unrelated": [] "unrelated": []
},
"041047": {
"id": "041047",
"content": "已知离散型随机变量 $X$ 的分布列为:\n$\\begin{pmatrix}\n0 & 1 & 2 \\\\\n0.5 & 1-2 q & q^2\\end{pmatrix}$, 则常数 $q=$\\blank{50}.",
"objs": [],
"tags": [],
"genre": "填空题",
"ans": "",
"solution": "",
"duration": -1,
"usages": [],
"origin": "2025届高二下学期校本作业-概率初步续",
"edit": [
"20240225\t蔡海鸾"
],
"same": [],
"related": [
"030544"
],
"remark": "",
"space": "",
"unrelated": []
},
"041048": {
"id": "041048",
"content": "已知 $X$ 的分布列为: $\\begin{pmatrix}\n-1 & 0 & 1 \\\\\n\\dfrac{1}{2}& \\dfrac{1}{3}& \\dfrac{1}{6}\n\\end{pmatrix}$, 两个随机变量 $X, Y$ 满足 $X+2Y=4$, 则 $E[X]=$\\blank{50}, $E[Y]=$\\blank{50}.",
"objs": [],
"tags": [],
"genre": "填空题",
"ans": "",
"solution": "",
"duration": -1,
"usages": [],
"origin": "2025届高二下学期校本作业-概率初步续",
"edit": [
"20240225\t蔡海鸾"
],
"same": [],
"related": [
"012083"
],
"remark": "",
"space": "",
"unrelated": []
},
"041049": {
"id": "041049",
"content": "已知 $X$ 的分布列为: $\\begin{pmatrix}\n-1 & 0 & 1 \\\\\n\\dfrac 12 & \\dfrac 13 & \\dfrac 16 \n\\end{pmatrix}$. \n两个随机变量 $X, Y$ 满足 $X+2Y=4$, 则 $D[X]=$\\blank{50}, $D[Y]=$\\blank{50}.",
"objs": [],
"tags": [],
"genre": "填空题",
"ans": "",
"solution": "",
"duration": -1,
"usages": [],
"origin": "2025届高二下学期校本作业-概率初步续",
"edit": [
"20240225\t蔡海鸾"
],
"same": [],
"related": [
"012083"
],
"remark": "",
"space": "",
"unrelated": []
} }
} }