Chapter 6 - The Normal Distribution - 6-1 Normal Distribution - Extending the Concepts - Page 324: 52

$0.675$ $0.841$ $1.405$

The 75th percentiles gives an area of 0.75 (to the left of z) which corresponds to a z value of $0.675$ The 80th percentiles gives an area of 0.80 (to the left of z) which corresponds to a z value of $0.841$ The 92nd percentiles gives an area of 0.92 (to the left of z) which corresponds to a z value of $1.405$