Mathematics, 02.08.2021 20:40 cifjdhhfdu
The mean annual income for people in a certain city (in thousands of dollars) is 40, with a standard deviation of 32. A pollster draws a sample of 38 people to interview, What is the probability that the sample mean income is less than 42 (thousands of dollars)?
0.3121
0.6141
0.6517
.0.6879
Answers: 2
Mathematics, 21.06.2019 19:30
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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
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Mathematics, 21.06.2019 23:30
Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge
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The mean annual income for people in a certain city (in thousands of dollars) is 40, with a standard...
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