Actually I think d
here it is also heres anwser choices
It is symmetric and has a peak at 1.
It is symmetric and has a peak at 4.
It is not symmetric and has a peak at 1.
It is not symmetric and has a peak at 4. I think a
let me try somthing different.
The dot plot is on that url.
here it is also heres anwser choices 
