This is my work on the Standard Deviation of the Normal Curve.
SEE MY GRAPHS TO SEE HOW THIS WORKS: ( I have solved the problem of Normal Probabilities using RV Sigma; See worksheet 32 )
- See Work Sheet 18, 19, 22, and 23 , 24, 28, 29, 30, 31, Solution - see worksheet - 32, 35,37,38, 40, 41