Given independent random variables with means and standard deviations as shown,find the mean and standard deviation of the variable 3X - Y .Round to two decimal places if necessary.
A)μ = 60,σ = 26
B)μ = 740,σ = 48.85
C)μ = 400,σ = 40.79
D)μ = 400,σ = 48.85
E)μ = 400,σ = 26

Question

Given independent random variables with means and standard deviations as shown,find the mean and standard deviation of the variable 3X - Y .Round to two decimal places if necessary. 
A)μ = 60,σ = 26 
B)μ = 740,σ = 48.85 
C)μ = 400,σ = 40.79 
D)μ = 400,σ = 48.85 
E)μ = 400,σ = 26

Quizplus · Accepted Answer

The Answer of Given independent random variables with means and standard deviations as shown,find the mean and standard deviation of the variable 3X - Y .Round to two decimal places if necessary. 
A)μ = 60,σ = 26 
B)μ = 740,σ = 48.85 
C)μ = 400,σ = 40.79 
D)μ = 400,σ = 48.85 
E)μ = 400,σ = 26

Given Independent Random Variables with Means and Standard Deviations as Shown,find