I'm so so so confused on how to do this. i thought you would have to do a triangle to solve it but it didn't work.

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

What does the relationship between the mean and median reveal about the shape of the data