Multiple Choice
Given independent random variables with means and standard deviations as shown,find the mean and standard deviation of the variable
+
.
A) μ = 350,σ = 21.63
B) μ = 350,σ = 30
C) μ = 400,σ = 25.46
D) μ = 400,σ = 36
E) μ = 400,σ = 6.00
Correct Answer:

Verified
Correct Answer:
Verified
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