Miles 發問時間： 社會與文化語言 · 1 0 年前

# 請幫忙翻譯一下。統計學的

29. There are 2,000 eligible voters in a precinct. 500 of the voters are selected at random and asked to indicate whether they planned to vote for the Democratic incumbent or the Republican challenger.

Of the 500 surveyed, 350 said they were going to vote for the Democratic incumbent.

Using the 0.99 confidence level, what are the confidence limits for the proportion that plan to vote for the Democratic incumbent?

### 2 個解答

• 1 0 年前
最佳解答

29. There are 2,000 eligible voters in a precinct. 500 of the voters are selected at random and asked to indicate whether they planned to vote for the Democratic incumbent or the Republican challenger. 在一個選區裡有2000位合格投票人，從當中隨機選出500位，並問他們是計劃投給現任的民主黨人或他的共和黨挑戰對手。 Of the 500 surveyed, 350 said they were going to vote for the Democratic incumbent. 受調查的500人當中，350人他們將會投給現任的名主黨人。 Using the 0.99 confidence level, what are the confidence limits for the proportion that plan to vote for the Democratic incumbent? 用0.99的信心水準，對計劃投給民主黨現任者的比例的信心範圍是什麼?

• 1 0 年前

29. There are 2,000 eligible voters in a precinct. 500 of the voters are selected at random and asked to indicate whether they planned to vote for the Democratic incumbent or the Republican challenger.

29 。有2000名合格選民中區。 500的選民是隨機挑選的，並要求以表明他們是否打算投票給民主黨現任或共和黨的挑戰者。

Of the 500 surveyed, 350 said they were going to vote for the Democratic incumbent.

500調查， 350說，他們將投票選舉現任民主。

Using the 0.99 confidence level, what are the confidence limits for the proportion that plan to vote for the Democratic incumbent?

用0.99的信心水準，什麼是信心限額的比例這一計劃進行表決的民主責任？