Finding Expected Value

Two different routes accommodate travel between two cities. Route A normally takes 60 minutes, and route B normally takes 45 minutes. If traffic problems are encountered on route A, the travel time in …there is moreshow problemTwo different routes accommodate travel between two cities. Route A normally takes 60 minutes, and route B normally takes 45 minutes. If traffic problems are encountered on route A, the travel time increases to 70 minutes: traffic problems on route B increase travel time to 90 minutes. The probabilityof a delay is .20 for route A and .30 for route B.

I need the work shown for the answers to question A

a)using the expected value approach, what is the recommended route?

answer is Route B: EV=58.5

Expected value is found. The solution is detailed and well presented. The response was given a rating of “5/5” by the student who originally posted the question.