Question 18 0/1 pts Use the given data to find the minimum sample size required to estimate a population proportion or percentage. E = five percentage points, Confidence Level = 95%, from a prior study, P is estimated by the decimal equivalent of 18.5%
Question 17 0/1 pts Use the given data to find the minimum sample size required to estimate a population mean. E = 125, Confidence Level = 95%, 0 = 500
Question 14 0/1 pts Use the given confidence level and sample data to find the margin of error E for estimating the population mean . (ROUND TO 2 DECIMALS!) Salaries of statistics professors: 95% confidence; n = 100, x = $95,000,0 $12,345 (Yeah right! We wish!)
Question 15 0/1 pts Use the given confidence level and sample data to find the margin of error E for estimating the population mean begin mathsize 28px style bold italic mu end style. Ages of drivers occupying the passing lane while driving 25 mi/h with the left signal flashing: 99% confidence; n = 50, X = 80.5 and is known to σ be 4.6 years. (ROUND TO 2 DECIMALS!)
Question 4 Find the critical value Za/2 that corresponds to the given confidence level. (ROUND TO 2 DECIMALS!) 92% 0/1 pts
Question 18 0/1 pts Use the given data to find the minimum sample size required to estimate a population proportion or p
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