Mathematics, 06.04.2021 05:50 serellehunt
Fashion designer wants to know how many new dresses women buy each year. Assume a previous study found the variance to be 4. She thinks the mean is 7 dresses
mer year. What is the minimum sample size required to ensure that the estimate has an error of at most 0.11 at the 90% level of confidence? Round your answer up to
the next integer.
Please help
Answers: 2
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Fashion designer wants to know how many new dresses women buy each year. Assume a previous study fou...
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