Please help for Stats Given some random variable X
A new random variable Y is generated by transforming X by multiplying by some constant and adding a constant.
In other words Y = aX+b
What is the relationship between mu of X and mu of Y?

What is the relationship between the sigma of X and the sigma of Y?

To keep cylindrical tanks from tipping over, a designer is planning to enlarge the original area of the base by 50%. the new tank should have the same volume as the original. how should the designer change the height of the tank? a: make it 50% taller than the height of the original tank. b: make it 6623% taller than the height of the original tank c: make it 3313% shorter than the height of the original tank d: make it 50% shorter than the height of the original tank.