Mathematics, 31.05.2020 02:57 maribelarreolap4sgpj
In a random sample of 28 people, the mean commute time to work was 31.7 minutes and the standard deviation was 7.2 minutes. Assume the population is normally distributed and use a t-distribution to construct a 80% confidence interval for the population mean mu. What is the margin of error of mu? Interpret the results.
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Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side
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Mathematics, 21.06.2019 19:00
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, 22.06.2019 01:50
For the right triangle shown, the lengths of two sides are given. find the third side. leave your answer in simplified, radical form.
Answers: 1
In a random sample of 28 people, the mean commute time to work was 31.7 minutes and the standard dev...
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