Homework Statement
As the title indicates. I'm given two independent exponential distributions with means of 10 and 20. I need to calculate the probability that the sum of a point from each of the distributions is greater than 30.
Homework Equations
X is Exp(10)
Y is Exp(20)
f(x) =...
Homework Statement
I'm given data for 5 years of number of accidents. The problem asks about the Variance of the empirical distribution of the number of accidents per year.
Homework Equations
The Attempt at a Solution
I'm not sure what an empirical distribution means. I wasn't...