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統計相關問題-假設檢定

2.A sample of 30 cookies is taken to test the claim that each cookie contains at least 9 chocolate chips.The average number of chocolate chips per cookie in the sample was 7.8 with a standard deviation of 3.Let the null hypothesis for testing is H0:u

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    null hypothesis cookie standard deviation chocolate Xbar Type II error true number critical value approach cookies
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