Mathematics, 18.07.2020 01:01 sweav4333
A fashion designer wants to know how many new dresses women buy each year. Assume a previous study found the standard deviation to be 1.8. She thinks the mean is 5.7 dresses per year. What is the minimum sample size required to ensure that the estimate has an error of at most 0.12 at the 85% level of confidence? Round your answer up to the next integer.
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Mathematics, 21.06.2019 18:00
Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need
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Mathematics, 22.06.2019 02:30
Use stokes' theorem to evaluate c f · dr where c is oriented counterclockwise as viewed from above. f(x, y, z) = xyi + 5zj + 7yk, c is the curve of intersection of the plane x + z = 8 and the cylinder x2 + y2 = 81.
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Mathematics, 22.06.2019 04:30
What is the hypotenuse of a triangle with 4 ft and 5 ft
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A fashion designer wants to know how many new dresses women buy each year. Assume a previous study f...
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