The spinner is spun three times. What is the probability that the arrow lands on 5 each time?
A. 1/6
B. 1/216
C.1/125
D. 1/2
Need it ASAP for a Test

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?