Name: _____________________________________
Disclaimer: Please do not worry if you cannot answer a question on this pretest. I don't want this to be a concern for people. Just do your best, and do it without pulling out textbooks or hair.
1.) What is your year and major(s)/minor(s)? e.g. senior CMSC major
2.) Which of the following courses have you taken and passed?
CMSC 341 ___ MATH 221 _____ STAT 355 _____ STAT 451 _____
3.) Are you on the CS game development track? Are you interested in it?
4.) Are you also registered for CMSC 491M (Machine Learning) this semester?
Yes ___ No _____
5.) What are you most excited about in this class?
6.) What are you most concerned about regarding this class?
7.) Express the following English sentence in firstorder logic using quantifiers, without using the uniqueness quantifier (∃!).
Mary has exactly two favorite toys of those she owns.
Let Fav(p, x) be the predicate that x is a favorite of p, Owns(p, x) be the predicate that p owns x, Toy(x) be the predicate that x is a toy, and let the universe of discourse be all objects and people in the world.
8.) Define the following terms:
9.) For this problem, consider the binary random variables X, Y, and Z with the following distribution:
~X 
X 

~Y 
Y 
~Y 
Y 

~Z 
0 
0.125 
0.125 
0 
Z 
0.25 
0.25 
0 
0.25 
10.) On the following axis, sketch the plot of the probability density function of a onedimensional Gaussian random variable x with mean m > 0 and variance s. Label the graph, and specifically those values.