Time spent using e-mail per session is normally distributed, with u = 13 minutes and o = 3 minutes. Complete parts (a) through (d). Click here to view page 1 of the cumulative standardized normal distribution table. Click here to view page 2 of the cumulative standardized normal distribution table. a. If you select a random sample of 50 sessions, what is the probability that the sample mean is between 12.8 and 13.2 minutes? (Round to three decimal places as needed.) 66 67 Clear all Check answer co