Find the mode of the following data set: 18,17,12,14,8,21,10,11,19,20,5,17,1 2,10,20
options:
a: 16
b: 14
c: 10
d: 13

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?