Mathematics, 25.04.2021 22:30, sofipalis9869
A random sample of 24 items is drawn from a population whose standard deviation is unknown. The sample mean is
x¯
= 880 and the sample standard deviation is s = 5. Use Appendix D to find the values of Student’s t.
(a) Construct an interval estimate of μ with 99% confidence. (Round your answers to 3 decimal places.)
The 99% confidence interval is from
to
(b) Construct an interval estimate of μ with 99% confidence, assuming that s = 10. (Round your answers to 3 decimal places.)
The 99% confidence interval is from
to
(c) Construct an interval estimate of μ with 99% confidence, assuming that s = 20. (Round your answers to 3 decimal places.)
The 99% confidence interval is from
to
(d) Describe how the confidence interval changes as s increases.
Answers: 1
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The graph of g(x) is a translation of y = which equation represents g(x)?
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Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?
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Mathematics, 21.06.2019 23:00, noahdwilke
36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)
Answers: 1
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