4.某飲料店欲將店裡所有飲料價格均漲價 10%。若原先店內飲料價格的標準差為 5 元，則調漲後的標準差為______ 元。 (A) 5 (B) 5.5 (C) 6 (D) 6.5

Problem 19. Suppose a simple random sample of n=2 homes is to be selected from this population of five homes. Which of the following statements concerning this sampling procedure is correct?(A) The resulting sample mean will be identical to the population mean.(B) The sampling procedure guarantees that the sample will not be comprised of two houses immediately next to one another on the cul-de-sac.(C) Homes with larger property taxes are relatively more likely to be selected than are homes with smaller property taxes.(D) The sample mean property taxes paid, X, is certain to be no larger than $547.5.(E) None of the above.

4.某飲料店欲將店裡所有飲料價格均漲價 10%。若原先店內飲料價格的標準差為 5 元，則調漲後的標準差為______ 元。
(A) 5
(B) 5.5
(C) 6
(D) 6.5

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4.某飲料店欲將店裡所有飲料價格均漲價 10%。若原先店內飲料價格的標準差為 5 元， 則調漲後的標準差為______ 元。 (A) 5 (B) 5.5 (C) 6 (D) 6.5

相關試題

相關試卷

4.某飲料店欲將店裡所有飲料價格均漲價 10%。若原先店內飲料價格的標準差為 5 元，則調漲後的標準差為______ 元。
(A) 5
(B) 5.5
(C) 6
(D) 6.5