Check My Wor The Food Marketing Institute shows that 15% of households spend more than $100 per week on groceries. Assume the population proportion is p-0.15 and a sample of 800 househo will be...


Check My Wor<br>The Food Marketing Institute shows that 15% of households spend more than $100 per week on groceries. Assume the population proportion is p-0.15 and a sample of 800 househo<br>will be selected from the population. Use z-table.<br>a. Calculate σ(P), the standard error of the proportion of households spending more than $100 per week on groceries (to 4 decimals).<br>b. What is the probability that the sample proportion will be within /-0.02 of the population proportion (to 4 decimals)?<br>c. What is the probability that the sample proportion will be within +/-0.02 of the population proportion for a sample of 1,800 households (to 4 decimals)?<br>

Extracted text: Check My Wor The Food Marketing Institute shows that 15% of households spend more than $100 per week on groceries. Assume the population proportion is p-0.15 and a sample of 800 househo will be selected from the population. Use z-table. a. Calculate σ(P), the standard error of the proportion of households spending more than $100 per week on groceries (to 4 decimals). b. What is the probability that the sample proportion will be within /-0.02 of the population proportion (to 4 decimals)? c. What is the probability that the sample proportion will be within +/-0.02 of the population proportion for a sample of 1,800 households (to 4 decimals)?

Jun 01, 2022
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