Question
A researcher wishes to estimate the number of households with two cars. How large a sample is needed in order to be 99% confident that
A researcher wishes to estimate the number of households with two cars. How large a sample is needed in order to be 99% confident that the sample proportion will not differ from the true proportion by more than 5%?
In a survey of 2480 golfers, 15% said they were left-handed. Construct a 97% confidence interval for the proportion of left-handed golfers
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Multivariate Density Estimation Theory, Practice, And Visualization
Authors: David W Scott
2nd Edition
1118575482, 9781118575482
