Vote for certain candidate
A random sample of 100 voters found that 44% were going to vote for certain candidate. Find the 99% limit for the population proportion of voters who will vote for that candidate.
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If a population has the standard deviation of 18, determine the minimum number of samples that need to be averaged in order to be 95% confident that the average of the means is within 2 of the true mean?
A researcher conducted a study of access speed of 35 hard drives and concluded that his maximum error of estimate was 35. If he were to conduct a second study to reduce the maximum error of estimate to 7, about how many hard drives should he incl
After three years, interest increases to 9% annum, compounded monthly. Find amount of the investment after five years.
A study of elephants is conducted to find out the average weight of a certain subspecies of elephants. The standard deviation for the population is 500 pounds. At a 80% level, how many elephants need to be weighed so the average weight will be acc
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A random sample of 70 printers discovered that 20 of them were being employed in small businesses. Determine the 99% limit for the population proportion of printers that are used in small businesses.
Explain how graph of every function can be attained from graph of y=f(x). Ensure to use full sentences to describe transformation of parent [y=f(x)] function.
Employ the given degree of confidence as well as sample data to construct a confidence interval for the population proportion p.
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