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Openai/691718ed-7ba4-8006-96d5-a66e0d9678fe
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=== Assistant: 我幫你把「1000 名新生兒中有 520 位男嬰」這個例子的 精確二項檢定 p 值算出來,並和常態近似做了對照。已把結果整理成小表格給你看(上方可點開)。 === 我幫你把「1000 名新生兒中有 520 位男嬰」這個例子的 精確二項檢定 p 值算出來,並和常態近似做了對照。已把結果整理成小表格給你看(上方可點開)。 重點數值: * 精確二尾 p 值(H0:p=0.5H_0: p=0.5H0:p=0.5,計算 P(X≤480)+P(X≥520)P(X\le 480)+P(X\ge 520)P(X≤480)+P(X≥520)):0.2174482932 * 常態近似(不含連續性校正):0.2059032107 * 常態近似(含連續性校正):0.2174682261 結論: p ≈ 0.217(精確值),大於常見的顯著水準 0.05,因此沒有足夠證據拒絕「男女出生率相等」的虛無假設。若你想換不同的樣本量或觀察數(例如 560 vs 440),我也可以立刻幫你改參數再算。
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