F 4 . . . AA www-awu.aleks.com a C [my|HACCjedu - Portal @ McGraw-Hill ALEKS -... X A ALEKS - Tinika Dekey... P Poin E O RANDOM VARIABLES AND DISTRIBUTIONS Standard normal probabilities 10 15 Suppose Z follows the standard normal distribution. Calculate the following probabilities using the ALEK calculator. Round your responses to at least three decimal places. (a) P (2 5 1.78) = X ? ( b) P (2 > - 1.80 ) = 1 (C) P (0.49