human
Suppose 𝑥1 and 𝑥2 are independent random variables with means 𝜇1,𝜇2 and standard deviations 𝜎1 and 𝜎2. a- Find the mean and variance for a new random variable 𝑢=𝑥1−𝑏𝑥2 b- Find the mean and variance for a new random variable 𝑣=𝑎𝑥2+𝑏𝑥1
gpt
--- Reasoning ---
1. Is the question multiple-choice question?
No
2. Is it implied multiple-choice question?
No
3. If two experts were independently asked the question, will the final answer be exactly the same?
Yes

--- Answer ---
grounded