9. The reflection of J(-1,11) is J'(-1,-11). What is the reflection of D(5,-5) if the point is reflected across the same line?
What is the line of reflection?

Determine the required value of the missing probability to make the distribution a discrete probability distribution. x p(x) 3 0.23 4 ? 5 0.51 6 0.08 p(4) = nothing  (type an integer or a decimal.)