Interview Query

Distribution of 2X - Y

Have you seen this question before?

Given that XX and YY are independent random variables with normal distributions, what is the mean and variance of the distribution of 2XY2X - Y when the corresponding distributions are XN(3,4)X\sim \mathcal{N}(3, 4) and YN(1,4)Y \sim \mathcal{N}(1, 4)?

Next question: Demand Metrics
Loading comments