MAT330/681 LECTURE 15 (3/24/2021): EXPONENTIAL RANDOM VARIABLES AND HAZARD RATE
• Announcements: Please remember that HW7 is due tonight, as usual. Next week is Spring Break, and I hope you can enjoy a relaxing and re-energizing time off! The next homework set (HW8) will only be due on Wednesday the week after next, that is, on April 7.
• Video 1: Exponential random variable and its expected value: Download file or watch below
By the way, you can play with the parameter $\lambda$ of an exponential distribution and see how it affects the shape of the probability density function here.
• Video 2: Variance of exponential random variable: Download file or watch below
• Video 3: Memorylessness of exponential random variables: Download file or watch below
• Video 4: Exercise: Download file or watch below
• Video 5: Hazard rates: Download file or watch below