Standard error of the proportion

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Reference no: EM131099616

A local school district wants to survey parents about their attitudes toward the elimination of the marching band program as a way to save money. The school district sampled 120 parents and found 74 supported the plan to cut the band program.

A. Find the standard error of the proportion

B. Find the 95% confidence interval for the population of the proportion

Reference no: EM131099616

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