Chemical Engineering > GATE 2014 > Probability and Statistics
Consider the following two normal distributions
f1(x)=exp(-πx2)
f2(x)=1/(2π)exp{-1/(4π)(x2+2x+1)}
If μ and σ denote the mean and standard deviation, respectively, then
A
μ1<μ2 and σ12<σ22
B
μ1>μ2 and σ12>σ22
C
μ1>μ2 and σ12<σ22
D
μ1<μ2 and σ12>σ22

Correct : c

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