Mathematics, 14.12.2019 05:31 tacowilliam20
The labor bureau wants to estimate, at a 90% confidence level, the proportion of all households that receive welfare. a preliminary sample showed that 17.5% of households in this sample receive welfare. the sample size that would limit the margin of error to be within 0.025 of the population proportion is:
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The labor bureau wants to estimate, at a 90% confidence level, the proportion of all households that...