Suppose that μ = 155 and σ = 20. Find the score December 27, 2016 By Essaypros Suppose that μ = 155 and σ = 20. Find the score 2.2 standard deviations below the mean. 120 111 115 125 We Deliver Top Quality On Time As Promised! Ready to get started? Just click the button to be directed to a secure page so you can enter the details of your paper.