For the population of Africa, the average life expectancy is 62 years, with a standard deviation of
Question: For the population of Africa, the average life expectancy is 62 years, with a standard deviation of 9.2. A sample of 100 Africans randomly selected has a mean of 65.2 and a standard deviation of 8.3 years.
Determine the minimum sample size necessary for 99 % confidence level and a sampling error of 5 years.
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Solution Format: Word Document
Solution Format: Word Document
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