would have a margin of error of 2 b Suppose the finance director would like to reduce the cost of the survey by using a random sample of 100 What would be the margin of error for this sample size Substitute 100 for n in the margin of error formula margin of error 100 100 or 10 V100 A random sample of 100 would have a margin of error of 10 Question 3 Select Margin of error formula n 100 Some reasons that a research center might decide that a survey with a margin of error of 3 would be more desirable than one with a margin of error of 2 include the cost would be Select the survey would take Select v V 1 pts and it would require 1