(See Solution) Suppose it is believed that as many as 15.8% of adults over age 50 need job training. We wish to estimate the percentage aged 25 to 30 who never
Question: Suppose it is believed that as many as 15.8% of adults over age 50 need job training. We wish to estimate the percentage aged 25 to 30 who never had job training. Determine the sample size that would allow an increase in the confidence level from 80% to 95% while reducing the margin of error from 8% to 4%.
- What is the minimum sample size required?
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