In random samples of 500 employees, what fraction of sample proportions fall within ±0.03 (3 percentage points) from the population proportion?

In random samples of 500 employees, what fraction of sample proportions fall within ±0.03 (3 percentage points) from the population proportion?

In the population of all state government employees 35 percent contribute to the annual United Way campaign.

3 In random samples of 500 employees, what fraction of sample proportions fall within ±0.03 (3 percentage points) from the population proportion?

a 0.8414
b 0.8788
c 0.9090
d 0.9328

4 95 percent of sample proportions from samples of n = 500 deviate from the population proportion by no more than ±______.

a 0.021
b 0.027
c 0.035
d 0.042

5 To obtain a margin of error of ±0.03 such that 0.95 fraction of the sample proportions fall within this MOE, the minimum sample size is n = _______.

a 854
b 972
c 1115
d 1198


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