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Shoprite Groceries shows that 17% of households spend more than $120 per week on groceries. Assume the population proportion is .17 and a sample of

Shoprite Groceries shows that 17% of households spend more than $120 per week on groceries. Assume the population proportion is .17 and a sample of 400 households from a population of 2,500. a. What is the probability that the sample proportion will be within .03 of the population proportion? b. What is the standard error value

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