Question

Help with Gaussian Functions pls

Answer 1

can someone help me go through this problem please

Answer 2

I think is 72, please yu have toapply the definition of mean value, namely:
\[x _{mean}=\frac{ \int\limits_{-\infty}^{+\infty}xf(x)dx }{ \int\limits_{-\infty}^{\infty} f(x)dx }=72\]

Answer 3

where f(x) is your function, namely the one you provided