Mathematics, 02.06.2021 01:40 scarbroughmary0
Mary is planning to survey a sample of women to find out how much money the average woman spent on lipstick last year. What sample size will she need, if she wants to be 95% confident that her sample mean is no more than $4 away from the population mean, and assuming a standard deviation of $20? A. 100
Answers: 3
Mathematics, 21.06.2019 22:00
If x+y+z=0 what is the value of [tex] {x}^{3} + {y}^{3} + {z}^{3} [/tex]
Answers: 2
Mary is planning to survey a sample of women to find out how much money the average woman spent on l...
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