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Mathematics, 31.10.2019 02:31 dianaarcos2675

Fifteen percent of australians smoke. by introducing tough laws banning brand labels on cigarette packages, australia hopes to reduce the percentage of people smoking to 10% by 2018 (reuters website, october 23, 2012). answer the following questions based on a sample of 240 australians.

a. show the sampling distribution of, the proportion of australians who are smokers.
b. what is the probability the sample proportion will be within ±0.04 of the population proportion?
c. what is the probability the sample proportion will be within ±0.02 of the population proportion?

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