The converting process in a manufacturing area has a historical delay percentage of 8.5%, waiting for stock to run or people to help out. The plant manager wants to verify this percentage using an alpha value of 5% and she is willing to accept an error of 2%. How large a sample will be necessary?

Question 9 options:

	n = 602 observations
	n = 525 observations
	n = 747 observations
	n = 858 observations