Mathematics, 17.04.2020 20:54 kenna1323
To estimate LaTeX: \muμ, the mean salary of full professors at American colleges and universities, you obtain the salaries of a random sample of 400 full professors. The sample mean is LaTeX: \bar{x} = $73,220 x ¯ = $ 73 , 220 and the sample standard deviation is s = $4400. A 99% confidence interval for LaTeX: \mu μ is Group of answer choices
A. 73220 +/- 11440
B. 73220 +/- 568
C. 73220 +/- 431
D. 73220 +/- 28.6
Answers: 2
Mathematics, 21.06.2019 15:30, nsuleban9524
Astore manager records the total visitors and sales, in dollars, for 10 days. the data is shown in the scatter plot. what conclusion can the store manager draw based on the data? question 3 options: an increase in sales causes a decrease in visitors. an increase in sales is correlated with a decrease in visitors. an increase in visitors is correlated with an increase in sales.
Answers: 1
Mathematics, 21.06.2019 21:40, jasmine8142002
Atransformation t : (x, y) (x-5,y +3) the image of a(2,-1) is
Answers: 1
To estimate LaTeX: \muμ, the mean salary of full professors at American colleges and universities, y...
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