5) In a certain city, 20% of the residents are smokers. If random samples of 200 residents are selocted A) Find the mean and standard error of the resultant sampling distribution of sample proportion B) What is the probability that the sample of resident selected will have more than 18% smokers? between 17 and 21% smokers? less than 16 smokers?

MATLAB: An Introduction with Applications
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5) In a certain city, 20% of the residents are smokers. If random samples of 200 residents are selocted

  1. A) Find the mean and standard error of the resultant sampling distribution of sample proportion
  2. B) What is the probability that the sample of resident selected will have more than 18% smokers? between 17 and 21% smokers? less than 16 smokers?
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