Mathematics, 27.11.2020 01:20 dani2997
A fashion designer wants to know how many new dresses women buy each year. Assume a previous study found the variance to be 2.89. She thinks the mean is 5.6 dresses per year. What is the minimum sample size required to ensure that the estimate has an error of at most 0.11 at the 98% level of confidence?
Answers: 1
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15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form
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Mathematics, 21.06.2019 20:30
Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x
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Mathematics, 21.06.2019 22:00
`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.
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Mathematics, 22.06.2019 02:30
Grading scale 1 has the following weights- (tests- 50% quiz- 25% homework- 15% final exam- 10%). calculate your final average if your performance in the class is as follows-test grades- {88, 84, 90, 75, 70, 81); quiz grades- {88, 67, 90, 90, 45, 99, 76, 98, 100}; homework- 90; final exam- 75
Answers: 1
A fashion designer wants to know how many new dresses women buy each year. Assume a previous study f...
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