Mathematics, 25.11.2020 14:00 anthonybowie99
A toy manufacturer wants to know how many new toys children buy each year. Assume a previous study found the variance to be 3.61. He thinks the mean is 7 toys 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?
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A toy manufacturer wants to know how many new toys children buy each year. Assume a previous study f...
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