On the average, it takes 45 minutes to cross the San Francisco Bay Bridge during rush hour. The SD of the time it takes to cross the bridge is 15 minutes. What's the largest fraction of trips for which it could take more than 2 hours to cross the bridge?

Answer rating: 100% (QA)

Travel time is positive so we can use Markovs inequality By Markovs inequality fraction of trips for ... View the full answer