The Food Marketing Institute shows that 17% of households spend more than $100 per week on groceries. Assume the population prop

Question

3 years ago

9

The Food Marketing Institute shows that 17% of households spend more than $100 per week on groceries. Assume the population prop

ortion is p=.17 and a simple random sample of 800 households will be selected from the population.
a. Show the sampling distribution of p¯, the sample proportion of households spending more than $100 per week on groceries.b. What is the probability that the sample proportion will be within ±.02 of the population proportion?c. Answer part (b) for a sample of 1600 households.

Mathematics