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Mathematics, 01.03.2021 22:10 ughpali
The Food Marketing Institute shows that 17\%17% of households spend more than $$100$ per week on groceries. Assume the population proportion is p = .17p=.17 and a simple random sample of 800800 households will be selected from the population.
a. Show the sampling distribution of \bar{p} pˉ , the sample proportion of households spending more than $$100$ per week on groceries.
b. What is the probability that the sample proportion will be within \pm .02±.02 of the population proportion?
c. Answer part (b) for a sample of 16001600 households.
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