Find the mean and standard deviation of the specified probability density function.f(x) = 0.3e-0.3x for [0, ?)
A. ? = 3.33, ? = 3.50
B. ? = 3.75, ? = 3.75
C. ? = 33.33, ? = 33.33
D. ? = 3.33, ? = 3.33
Answer: D
Mathematics
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Mathematics