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Akimi4 [234]
3 years ago
7

If, for a sample in which the subjects are randomly chosen, the mean income is $45,000, the sample size is 1600, the standard de

viation is $4,000, and the standard error of the mean is $10, what, approximately, is the 95% confidence interval for the population mean?
Mathematics
1 answer:
jeka57 [31]3 years ago
6 0

Just add 45'000, 4,000, 10,divided by 95% = your answer.

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Find the gradient of the line segment between the points (-2,3) and (-5,7)
Rudiy27

Answer:

\frac{4}{ - 3}

Procedures:

\frac {y2 - y1}{x2 - x1}

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3 years ago
A line goes through the origin and the point (6, 14). The point (2, y) is also on the line. Calculate y and justify that your va
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Step-by-step explanation:

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cross multiply;

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3 years ago
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