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Openai/691718ed-7ba4-8006-96d5-a66e0d9678fe
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=== Assistant: 找到了!在 n 1000、p00.5p0 0.5p00.5 的情境下: === 找到了!在 n = 1000、p0=0.5p_0 = 0.5p0=0.5 的情境下: * 當 男嬰 ≥ 532(或 ≤ 468)時,雙尾檢定的 p 值 ≈ 0.0463 < 0.05。 * 也就是說,532 vs. 468 就已經達到「統計顯著」的門檻。 ✅ 解讀 * 如果觀察到 ≥532 男嬰 / ≤468 男嬰,我們就會拒絕虛無假設,認為男女出生率顯著不等。 * 而像之前的 520 vs. 480(p ≈ 0.217)就還不夠「極端」,所以不顯著。 * 600 vs. 400 則遠遠超過這個門檻,p 值小到趨近於 0。 要不要我幫你把「468–532」這個範圍畫成一個正態分布的圖,直觀標示出「拒絕區域」和「接受區域」?
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