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108年 - 109東吳大學_碩士班招生考試_國際經營與貿易學系:統計學#101157
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題組內容
3. Fill in the missing entries, (a) ~ (e), in the partially completed one-way ANOVA table below.
(b)
其他申論題
(a). Is X a binomial random variable, why?
#424033
(b). What is the probability that out of the 5 randomly selected students exactly 2 are male?
#424034
(c). What is the expected number of male students in a random sample of 100?
#424035
(a)
#424036
(c)
#424038
(d)
#424039
(e)
#424040
4. A researcher is trying to determine how many hours the average student in SCU studies statistics each week. He takes a random sample of 25 individuals and asks each student how many hours he or she studies statistics each week. The following summations were computed: . Find a 95% confidence interval for the mean number of study hours by using a small-sample method.
#424041
(a).電腦製造商A購買了20顆第八代處理器,發現其平均溫度為48℃,在顯著水準 α =0.01 下,以P值法(P-Value Method)檢定英特爾的宣稱是否正確。
#424042
(b).電腦製造商B購買了40顆第八代處理器,發現其平均溫度為48℃,在顯著水準 α =0.01 下,以P值法(P-Value Method)檢定英特爾的宣稱是否正確。
#424043