Mathematics, 24.06.2019 13:00 jaidaarmstrong
To estimate m, 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 x = $73,220 and the sample standard deviation is s = $4400. a 99% confidence interval for m is a) 73220 â± 11440. b) 73220 â± 572. c) 73220 â± 431. d) 73220 â± 28.6.
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To estimate m, the mean salary of full professors at american colleges and universities, you obtain...
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