Presume you are sampling to estimate a proportion. When the sample size is large relative to...
Presume you are sampling to estimate a proportion. When the sample size is large relative to the population size (i.e above 20%), will the binomial distribution’s estimation of the sampling distribution’s variance generally be accurate, too big, or too small?
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Presume you are sampling to estimate a proportion. When the
sample size is large relative to...
Why is a binomial distribution a reasonable approximation of a sampling distribution for a population proportion...
Why is a binomial distribution a reasonable approximation of a sampling distribution for a population proportion when the population is large relative to the sample size?
You want to obtain a sample to estimate a population proportion. At this point in time,...
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estimation for the population proportion. You would like to be 98% confident that you estimate is within 2% of the true population proportion. How large of a sample size is required?
You want to obtain a sample to estimate a population proportion. At this point in time,...
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estimation for the population proportion. You would like to be 90% confident that you estimate is within 2.5% of the true population proportion. How large of a sample size is required?
You want to obtain a sample to estimate a population proportion. At this point in time,...
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estimation for the population proportion. You would like to be 95% confident that you estimate is within 1.5% of the true population proportion. How large of a sample size is required?
You want to obtain a sample to estimate a population proportion. At this point in time,...
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estimation for the population proportion. You would like to be 99% confident that you estimate is within 3% of the true population proportion. How large of a sample size is required? n =
You want to obtain a sample to estimate a population proportion. At this point in time,...
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estimation for the population proportion. You would like to be 99% confident that you estimate is within 2% of the true population proportion. How large of a sample size is required? Hint: Textbook Video [+] N-
a. Assume that a sample is used to estimate a population proportion p. Find the 95%...
a. Assume that a sample is used to estimate a population proportion p. Find the 95% confidence interval for a sample of size 198 with 42 successes. Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents) accurate to three decimal places. 95% C.I. = b. A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 0.5% margin of error at a 99% confidence...
You want to obtain a sample to estimate a population proportion. At this point in time,...
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable estimate for the population proportion. You would like to be 95% confident that you esimate is within 4% of the true population proportion. How large of a sample size is required? n=? Do not round mid-calculation. However, use a critical value accurate to three decimal places.
You want to obtain a sample to estimate a population proportion. At this point in time,...
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable estimate for the population proportion. You would like to be 99.5% confident that you esimate is within 2.5% of the true population proportion. How large of a sample size is required? N= Do not round mid-calculation. However, use a critical value accurate to three decimal places.
You want to obtain a sample to estimate a population proportion. At this point in time,...
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable estimate for the population proportion. You would like to be 98% confident that you esimate is within 1.5% of the true population proportion. How large of a sample size is required? n = Do not round mid-calculation. However, use a critical value accurate to three decimal places.
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estimation for the population proportion. You would like to be 99% confident that you estimate is within 2% of the true population proportion. How large of a sample size is required? Hint: Textbook Video [+] N-
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