The high speed chairlift at a ski resort transports skiers from the bottom to the top of the mountain in 12 minutes at a constant speed The times that riders are on the lift while it is operating properly are uniformly distributed The lift operator temporarily stops the lift when a skier falls from the lift at the bottom 7 What percent of the riders had been on the chairlift for less than 1 minute 8 What percent of the riders had been on the chairlift between 5 and 10 minutes when the stoppage occurred