Question 24 of 30

Question 24 of 30 View Policies Current Attempt in Progress What Influences the Sample Size Needed? In this exercise, we examine the effect of the value of the estimated standard deviation on determining the sample size needed. Find the sample size needed to give, with 95% confidence, a margin of error within 4, if the estimated standard deviation is = 80 If the estimated standard deviation is = 30. Ifthe estimated standard deviation is = 10. Round your answers up to the nearest integer.