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Suppose the true proportion of voters in the county who support a school levy is 0.47....

Suppose the true proportion of voters in the county who support a school levy is 0.47. Consider the sampling distribution for the proportion of supporters with sample size n = 186. What is the mean of this distribution? 0.47 Correct What is the standard error of this distribution? 7.792 Incorrect

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Answer #1

The sampling distribution of sample mean follow normal with

mean, (population proportion) = 0.47

and standard error

  

thus , mean =0.47

standard error = 0.0366

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