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1/A Food Marketing Institute found that 27% of households spend more than $125 a week on...

1/A Food Marketing Institute found that 27% of households spend more than $125 a week on groceries. Assume the population proportion is 0.27 and a simple random sample of 132 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 0.3?

Note: You should carefully round any z-values you calculate to 4 decimal places to match wamap's approach and calculations.

Answer =

2/ A Food Marketing Institute found that 27% of households spend more than $125 a week on groceries. Assume the population proportion is 0.27 and a simple random sample of 132 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 0.3?

Note: You should carefully round any z-values you calculate to 4 decimal places to match wamap's approach and calculations.

Answer =

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