Mathematics, 16.04.2020 20:42 ahmadfarriz5948
You want to estimate the mean family income in a rural area of central Indiana. The question is, how many families should be sampled? In a pilot sample of 10 families, the standard deviation of the sample was $500. The sponsor of the survey wants you to use the 95% confidence level. The estimate is to be within $100. How many families should be sampled?
Answers: 3
Mathematics, 21.06.2019 22:00, alexisgonzales4752
Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).
Answers: 1
You want to estimate the mean family income in a rural area of central Indiana. The question is, how...
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