MCQ
Which of the following can be the probability density function for a normal variable $X$ ?
- ✓$f(x)=\frac{1}{\sqrt{32 \pi}} e^{\frac{1}{2}\left(\frac{1-10}{4}\right)^2}$
- B$f(x)=\frac{1}{\sqrt{16 \pi}} e^{\frac{1}{2}\left(\frac{x-10}{4}\right)^2}$
- C$f(x)=\frac{1}{\sqrt{4 \pi}} e^{\frac{1}{2}\left(\frac{x-10}{4}\right)^2}$
- D$f(x)=\frac{1}{4 \sqrt{\pi}} e^{\frac{-1}{2}\left(\frac{x-10}{4}\right)^2}$