Step 3 of 7 Draw the normal distribution with a mean of 60.0503 years and standard deviation of 11.7869 years on SALT's Distribution Calculators page. tical Analysis and Learning Tool CHARTS AND GRAPHS DISTRIBUTION CALCULATORS SAMPLING The Normal Distribution is the default calculator in the Distribution Selection dropdown menu. Enter the mean and standard deviation in the appropriate boxes. Settings Distribution Selection Normal Distribution Mean St. Dev. As soon as these values are entered, SALT will draw this normal distribution with tick marks on the x-axis for the mean and values that are one, two, three, and four standard deviations from The default shading is 5% in the left tail. Enter the x-axis values as indicated below. The age of Congress member, rounded to one decimal place, that is predicted to be one standard deviation above the mean is X The age of Congress member, rounded to one decimal place, that is predicted to be two standard deviations below the mean is X Enter a number. unded to two decimal places, for an age of 95.41 is 3.00