Mathematics, 19.02.2020 20:10 KennyMckormic

We would like to create a confidence interval.
Which of the following would produce the smallest margin of error? Select one:

a. A 99% confidence level and a sample size of 50 subjects.

b. A 90% confidence level and a sample size of 50 subjects.

c. A 90% confidence level and a sample size of 300 subjects.

d. A 99% confidence level and a sample size of 300 subjects.

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We would like to create a confidence interval.
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