Look at points C and D on the graph:
N
What is the distance (in units) between points C and D? Round your answer to the nearest hundredth.
point)
3.00 units
3.46 units
4.24 units
6.00 units

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?