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【单选题】
胃大部切除术后营养性并发症不包括下列哪项A.
营养不足，体重减轻
B.
脂肪泻
C.
低蛋白血症
D.
缺铁性贫血或巨幼红细胞性贫血
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举一反三
【简答题】______has the highest number of illiterate people.
【简答题】I am illiterate about such things.单词illiterate
【简答题】illiterate( )
【简答题】illiterate
【简答题】用友U8可以使用哪些数据库系统?
【简答题】n. a probability or chance for future success p_____
【单选题】Which of the following scenarios will yield a nonprobability sample?
A.
The subjects of the sample are chosen on the basis of known probability.
B.
Items or individuals are chosen without regard to their probability of occurrence.
C.
Every individual or item from the frame has an equal chance of being selected. Selection may be with replacement or without replacement.
D.
Decide on a sample size, n; divide the frame of N individuals into groups of k individuals where k = N/n; randomly select one individual from the first group; select every kth individual thereafter.
【单选题】If X is a binomial random with n = 8 and p = 0.6, what is the probability that X is less than or equal to 2?
A.
0.050
B.
0.009
C.
0.041
D.
0.375
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