免费在线期望值计算器，输入随机变量值及其概率即可快速计算期望值。支持多达20个输入，概率总和自动验证，适用于统计学、概率论、风险评估等场景，提供精确的数学期望计算。
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免费在线贝叶斯定理计算器，通过贝叶斯公式精确计算条件概率。适用于统计推断、数据分析、机器学习等场景，提供专业的概率计算和贝叶斯推断服务。
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免费在线骰子平均值计算器，支持多面骰子平均值和标准差计算。适用于桌游设计、概率教学、游戏开发等场景，提供精确的骰子数学计算结果。
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专业相对风险计算器，快速计算两组间风险比和置信区间。适用于医学研究、流行病学分析、临床试验等场景，为医生和研究人员提供精确的风险评估计算。
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免费在线赔率计算器，快速将投注赔率转换为胜率和负率百分比。支持赔率比例计算和概率转换，帮助评估投注风险与收益，适用于体育博彩、金融投资等多种场景。
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