Randy jogged in a park by his neighborhood every day a er work. On Monday, he jogged 3 29 miles, and on Tuesday he jogged 3 38 miles. a On which day did Randy jog farther? b How much farther? Show your work. c How far did Randy jog on the days combined? Show your work.

The weekly amount spent by a company for travel has an approximately normal distribution with mean = $550 and standard deviation = $40. a) what is the probability that the actual weekly expense will exceed $570 for more than 20 weeks during the next year? (note: one year = 52 weeks) b) what is the probability that actual weekly expenses exceed $580 for 10 or more, but 16 or fewer weeks during the next year?