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Q1 ) You plan to conduct a survey to find out what percentage of the workforce has two or more jobs. You decide the 80% confidence level and remember that the estimated percentage must be within 2.0% of the population. A pilot survey reveals that 8 out of 47 recruited samples held two or more jobs. How many workforce must be interviewed to meet your requirements? The solution must contain the formula, the numbers, and the final answer.\

Q2) For budgeting purposes, you need to estimate the projected average number of travel days per year for your sales reps for the following fiscal year. The small study mean was 150 days, with a standard deviation of 21 days. If you were to estimate the average population within 4 days, how many salespeople should you sample? Use the 95% confidence level. The solution must contain the formula, the numbers, and the final answer.