Assume that the popultaion proportion is .55. Compute the standard error of the proportion, , for sample sizes of 100, 200, 500, and 1000. What can you say about the size of the standard error of the proportion as as the sample size is increased?
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The population proportion is 30. What is the probability that a sample proportion will be within of the population proportion for each of the following sample sizes?
a. n=100
b. n=200
c. n=500
d. n=1000
e. What is the advantage of a larger sample size?
The population proportion is 0.30. What is the probability that a sample proportion will be within of the population proportion for each of the following sample sizes?
