Answer:
Choice C
Step-by-step explanation:
1/2 x < 4 Isolate x by multiplying both sides by 2:-
x < 8
They can’t be similar. Similar triangles have congruent corresponding angles, and two angles are given on each. Neither of those correspond to another on the opposite triangle. Basically, there’s no way to have three congruent angles, so they aren’t similar.
Who to do with numbers . at least put some signs in there .
The two dice have PMFs


The sum of the two rolls can take on 8 different values:

The outcome of either roll is independent of the other, so that

a. Then PMF of
is

b. The histogram is nothing special, same as the discrete uniform distribution over the interval [0, 7].
I worked it out and I got south Africa