Find the mean and standard deviation of the specified probability density function.f(x) = 
for [6, 13]
A. ? = 3.50, ? = 2.02
B. ? = 3.45, ? = 2.02
C. ? = 9.50, ? = 2.02
D. ? = 9.50, ? = 1.73
Answer: C
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A. - 
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