The Mean And Standard Deviation Of A Random Variable X Are 5 And 3 Respectively

Hi, please help me to work out this question, thank you!

The mean and standard deviation of a random variable x are 5 and 3 respectively. Find the mean and standard deviation of the given random variables:

v=4x

μ=

σ=

w=4x+8

μ=

σ=

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