Mathematics, 22.06.2019 04:30, RichardKing2376
Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t. inv.2t to find the value of t for the interval calculation.
Answers: 1
Mathematics, 21.06.2019 15:30, dashaunpeele
Avegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide. find the total area of the vegetable garden and path
Answers: 1
Mathematics, 21.06.2019 16:00, vaehcollier
You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?
Answers: 3
Mathematics, 21.06.2019 19:00, alexreddin3127
15 points! write the slope-intercept form of the equation of the line through the given point with the given slope. use y-y = m(x-x) to solve. through (2,5) slope= undefined
Answers: 2
Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the s...
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