Answer:
TOTAL
Male
18
6
4
28
Female
15
5
2
22
TOTAL
33
November
6
50
In This sample, are the events "female" and "prefers chocolate" mutually exclusive
Step-by-step explanation:
Note that this just produces three parametric equations:



In the

plane, this is just he parametric equation for an ellipse (as a function of u). The z is simply a linear function.
The surface is then an ellipse extruded along the z-axis. We get a elliptic cylinder.