I solved this statistics problem myself.

But obviously there are a lot of places that are wrong.

Let the experts see what's right and what's wrong and explain to me what's the right answer! If you download the attached file as a picture file and enlarge it or enlarge it on the web, you can see the problem clearly!

A B Backs (a) Approachmately of (d) Approximately as Find the expected value of the probability distribution (a) Approximately 41 (e) Approximately 3.6 (d) Approximately 1.2 (c) Approximately 0.2 A 10 () The curve (b ) The curve ? (d) There is no ecerect Market O m C 012 3 4 5 14 A 0 1 2 3 4 5