Question

Find the proportion of observations of a standard normal distribution that are between the mean and 3.23 standard deviations above the mean. Click here to view page 1 of the table. Click here to view page 2 of the table. % of observations are between the mean and 3.23 standard deviations above the mean. (Round to two decimal places as needed.)

Answer 1

solution Here we are using the standard normal distubution then the and between the mean for standard normal distubution is zero. (o) so the area between mean $ 3.23 SD above the mean. Plos223-23) =P(223-23)-P(220) - 0.9994-0.5 = 0.4994 = 29.94]% Tug.qu % of observations are between the mean and 3-23 Sod's above the mean - o 3.2