Mathematics, 18.12.2019 01:31 pakabigail7116

We know that narrower confidence intervals give us a more precise estimate of the true population proportion. which of the following could we do to produce higher precision in our estimates of the population proportion?
a. we can select a lower confidence level and increase the sample size.
b. we can select a higher confidence level and decrease the sample size.
c. we can select a higher confidence level and increase the sample size.
d. we can select a lower confidence level and decrease the sample size.

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