if varx 4 find var 3x8 where x is a random
If Var(x) = 4, find Var (3x+8), where X is a random variable.
Var (ax+b) = a2 Var x
Var (3x+8) = 32 Var x = 36
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if varx 4 find var 3x8 where x is a random variablevar axb a2 var xvar 3x8 32 var x
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