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A Food Marketing Institute found that 28% of households spend more than $125 a week on groceries. Assume the population...

A Food Marketing Institute found that 28% of households spend more than $125 a week on groceries. Assume the population proportion is 0.28 and a simple random sample of 231 households is selected from the population. What is the probability that the sample proportion of households spending more than $125 a week is less than 0.25?

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Answer #1

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