27. Let X have a Standard Normal Distribution. Find P(X < 1.46). C. 0.93785 A. 0.91785 B. 0.92785 D. 0.94785

45. Let X have a Standard Normal Distribution. Find a such that P(X < a) = 0.88877 А. 0.92 В. 1.02 С. 1.12 D. 1.22

6.9 To enter the cumulative normal distribution table Þ(Z), calculate Z and Z at the spec limits. upper lower Þ(2) = 0.9772 and Þ(-2) = 0.0228, the area to the right of the USL plus to the left of the LSL is 0.0456.

A normal distribution has μ = 32 and σ = 5. Find the z score corresponding to x = 27.  Find the z score corresponding to x = 46. Find the raw score corresponding to z = −3. Find the raw score corresponding to z = 1.1.