Mathematics, 06.10.2019 18:20, vickie2370
1. you are given a margin of error as 3 percentage points and a confidence level of 99%. if the sample percentage from a recent poll is 35%, find the minimum sample size to estimate a population proportion.
a.496
b.2579
c.1677
d.248
2. you are given e = 0.020, a confidence level of 90% and a sample proportion of 85% recent survey. find the minimum sample size to estimate a population proportion.
a.1225
b.259
c.5751
d.863
3. given n = 875 and p^ = 0.45, find the margin of error e that corresponds to a 95% confidence level
a.0.001
b.0.016
c.0.044
d.0.033
Answers: 1
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