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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 limits px and py of the sample proportions such that 90% of all sample proportions will be between these two limits?

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