What is the answer in this question ? macy is painting a design that contains two repeating patterns. one pattern repeats every 8 inches. the other repeats every 12 inches. the design is 19 feet long .both pattern begin at the same place. use the pattern pieces to create a sample to determine the number of times the patterns begins in the samen place.

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?