subject
Mathematics, 28.11.2020 02:50 laniiawesomee

g A random sample of 71 individuals shows an average income of $53,511 per year. We know from previous research that the standard deviation for income is 23,440. I hypothesize that the true population mean for income is $52,138 per year. What is the z-statistic for this hypothesis

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.
Answers: 1
question
Mathematics, 21.06.2019 20:50
You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2
Answers: 1
question
Mathematics, 21.06.2019 23:00
Find the equation of the ellipse with the following properties. the ellipse with foci at (0, 6) and (0, -6); y-intercepts (0, 8) and (0, -8).edit: the answer is x^2 over 28 + y^2 over 64 = 1
Answers: 2
question
Mathematics, 21.06.2019 23:30
Simplify this expression. 8x 16(x + y)
Answers: 1
You know the right answer?
g A random sample of 71 individuals shows an average income of $53,511 per year. We know from previo...
Questions
Questions on the website: 13722361