Mathematics, 18.03.2021 19:50 aischa282005
Suppose a department store wants to estimate µ, the average age of the customers in its contemporary apparel department, within 3.1 years with 90% confidence. How large a sample would be required if the standard deviation is 7.2 years?
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Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference
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If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?
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The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?
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Astudent showed the steps below while solving the inequality |x-4|< 1 by graphing.
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