Question 1
Solve the problem. Round your answer to two decimal places, if necessary.
There are 310 teachers at a college. In a sample of 118 teachers from this college,the proportion who had doctorates was 0.55. Based on that sample statistic, what is the best estimate of the proportion for all teachers at this college?
◦ 171
◦ 0.58
◦ 0.45
◦ 0.55
Question 2
Solve the problem. Round your answer to two decimal places, if necessary.
There are 13,427 eligible voters in one town. In a sample of 825 eligible voters from this town, the proportion who say that they plan to vote in the next mayoral election is 0.48 . Based on that sample statistic, what is the best estimate of the proportion for all eligible voters in the town?
◦ 0.47
◦ 0.48
◦ 6380
◦ 0.52
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Answer