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hs A Food Marketing Institute found that 39% of households spend more than $125 a week on groceries. Assume the population proportion is 0.39 and a simple random sample of 190 households is selected from the population. Please answer the following questions, and show your answers to 4 decimal places if possible. a. What is the distribution of p? ~ N b. What is the probability that the sample proportion of households spending more than $125 a week is more than 0.34? c. What is the probability that the sample proportion of households spending more than $125 a week is between 0.37 and 0.41?
In a recent year, the Better Business Bureau settled 75% of complaints they received. You have been hired by the Bureau to investigate complaints this year involving computer stores. You plan to select a random sample of complaints to estimate the proportion of complaints the Bureau is able to settle. Assume the population proportion of complaints settled for the computer stores is 0.75, as mentioned above. Suppose your sample size is 158. Please answer the following questions, and show your answers to 4 decimal places if possible. a. What is the distribution of p? p ~ N( b. What is the probability that the sample proportion will be within 3 percent of the population proportion? Submit Quortis