Find the area under the standard normal distribution curve to the left of z = 1.69.
You need to find the normalcdf(-∞, 1.69).
A good site to use to calculate this is: http://stattrek.com/online-calculator/normal.aspx
You need to find the normalcdf(-∞, 1.69).
A good site to use to calculate this is: http://stattrek.com/online-calculator/normal.aspx