Question

Lab Ty Courses The average travel time to work for a person living and working in Kokomo, Indiana is 17 minutes. Suppose the standard deviation of travel time to work is 4.5 minutes and the distribution of travel time is approximately normally distributed. Course Hon Suppose that it is reported in the news that 8% of the people living and working in Kokomo feel very satisfied with their commute time to work. What is the travel time to work for the bottom 8% of people? Homework Quizzes & TO O A. 13.8 minutes OB. 23.3 minutes O C. 10.7 minutes OD. 17.2 minutes Study Plan Gradebook StatCrunch Chapter Coi Click to select your answer. e Text

Answer 1

x=11-1.40584.5 M = 11 0=4,5 P(xxx) = 0.08 X-el 36-17 70008 2 =) P (X-M 4.5 I-1 20.08= -1.405 (using z table 4.5 17- 6.3295 a 10.6775 X = 10.7 l minutes. Correct optim is 9