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11題怎么寫(xiě)要具體過(guò)程,不會(huì)套
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你好!置信區(qū)間 = 樣本比例 ± Z值 * √(樣本比例 * (1 - 樣本比例) / 樣本容量)
2023 12/21 22:27
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施薇薇老師 ![](/wenda/_nuxt/img/reply2.28c7604.png)
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2023 12/21 22:32
本題給定樣本比例5%,樣本容量100,Z值為1.44。代入上述公式,置信區(qū)間=5%+_1.44*根號(hào)(5%*95%/100),括號(hào)里面的算式取平方根。希望對(duì)你有所幫助,感謝關(guān)注和好評(píng)
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