Exam P Practice Question 903
Study guide: Exam P-1
Ten fair coins are tossed. Let X be the number of heads and Y the number of tails.
Calculate \text{Cov}(X, Y).
- A)
-5/2 - B)
-5/4 - C)
0 - D)
5/4 - E)
5/2
Answer this question and see the worked solution