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Although most people believe breakfast is the most important meal of the day, 25% of adults skip breakfast. Assume the population proportion is p =

Although most people believe breakfast is the most important meal of the day, 25% of adults skip breakfast. Assume the population proportion is p = 0.25 and ps is the sample proportion of adults who skip breakfast based on a sample of 400 adults.

What are the mean (ps) and the standard error (ps) of the sample proportion ps?

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