Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: COMPUTER LAB SCHEDULE The time per week a student uses a lab computer is normally distributed, with a mean of 6.2 hours and a standard deviation of 0.9 hour. A student is randomly selected. * Find the probability to three significant figures that the student uses a lab computer less than 4 hours per week. _____ * Find the probability to three significant figures that the student uses a lab computer between 5 and 7 hours per week. _____ * Find the probability to three significant figures that the student uses a lab computer more than 8 hours a week. _____
Right answer summary: part 1: 0.00725; part 2: 0.7218; part 3: 0.0228
Question state: todo