Question: -> A Moving to another question will save this response. Question 8 In a work sampling study, a welder was found to be idle for

-> A Moving to another question will save this response. Question 8 In a work sampling study, a welder was found to be idle for 30% of the time. Find out the number of observations neeeded t relative error level by + 5%. (z = 1.96 for 95% confidence level) TT T Arial , 3(12pt) T. - E 30

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