398 CHAPTER 6 RANDOM VARIABLES Section 6.2 Exercises 37 Driving to work The time X it takes Hattan to drive to 41. Get on th po 384 work on a randomly selected day follows a distribution pg 385 from one that is approximately Normal with mean 15 minutes of cars X and standard deviation 6.5 minutes. Once he parks his ability di car in his reserved space, it takes 5 more minutes for and stan him to walk to his office. Let T = the total time it takes Hattan to reach his office on a randomly selected day, so T = X + 5. Describe the shape, center, and variabil ity of the probability distribution of T. 38. Toy shop sales Total gross profits G on a randomly Probability selected day at Tim's Toys follow a distribution that is approximately Normal with mean $560 and standard deviation $185 The