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How to find the mean of the sum of independent random variables Practice Test
•3 QuestionsQuestion
1 / 3
Q1
If 
is a random variable with a mean of 
and standard deviation of 
, what is the mean and standard deviation of 
?
If
If
, such that
has mean 
and variance 
,
has mean 
and variance 
,
has mean 
and variance 
.
, is less than 
?