statistics

18. The lengths of a professor's classes has a continuous uniform distribution between 50.0 min and 52.0 min. If one such class is randomly selected, nd the probability that the class length is more than 51.7 min. 0: Erequency 4:. a M 3357:1111; Based on the histogram above, what Is the class width? Class width =' I What is the sample size? Sample size = l b. The time it takes me to wash the dishes is uniformly distributed between 8 minutes and 15 minutes. What is the probability that washing dishes tonight will take me between 9 and 10 minutes? c. If a seed is planted, it has a 90% chance of growing into a healthy plant. If 12 seeds are planted, what is the probability that exactly 1 doesn't grow? d. A group of people were asked if they had run a red light in the last year. 460 responded "yes". and 169 responded "no". Find the probability that if a person is chosen at random, they have run a red light in the last year