A. Sketch the graph of each of the following and compute the percentage. 1. below z = -1.96 2. to the left of z = 1.96 3. at most z = 2.58 4. to the right of z -0.45 5. between z = 1.25 and z = 2.15 B. Find the missing value. 1. X 58, u 70, o = 4, z =? 2. µ = 86, a = 4, z = 2.5, X =? 3. z = 1, µ = 63,X 77, 0 =? 4. u = 30, a = 4.5, z 1.25, X =? 5. X = 56, µ = 77, 0 = 7,z =? %3D C. Given: A population of 2000 normally distributed scores with mean:u = 74, and o = 6. How many scores are- 1. between 84 and 74 2. between 50 and 70 3. above 92 4. at most 62 5. at least 56
A. Sketch the graph of each of the following and compute the percentage. 1. below z = -1.96 2. to the left of z = 1.96 3. at most z = 2.58 4. to the right of z -0.45 5. between z = 1.25 and z = 2.15 B. Find the missing value. 1. X 58, u 70, o = 4, z =? 2. µ = 86, a = 4, z = 2.5, X =? 3. z = 1, µ = 63,X 77, 0 =? 4. u = 30, a = 4.5, z 1.25, X =? 5. X = 56, µ = 77, 0 = 7,z =? %3D C. Given: A population of 2000 normally distributed scores with mean:u = 74, and o = 6. How many scores are- 1. between 84 and 74 2. between 50 and 70 3. above 92 4. at most 62 5. at least 56
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter20: Ratio And Propor Tion
Section: Chapter Questions
Problem 44A
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