An instructor has given a short quiz consisting of two parts. For a randomly sel

Question

An instructor has given a short quiz consisting of two parts. For a randomly selected student, let X-the number of points earned on the first part and Y the number of points earned on the second part. Suppose that the joint pmf of X and Y is given in the accompanying table p(x, y) 0 0.01 0.04 0.01 0.06 0.14 0.15 10 0.02 0.20 0.16 15 0.10 0.10 0.01 0 10 (a) Compute the covariance for X and Y. (Round your answer to two decimal places.) Cov(X, Y) -3.59 (b) Compute for X and Y. (Round your answer to two decimal places.) Need Help?Read It Talk to a Tutor

Explanation / Answer

An instructor has given a short quiz consisting of two parts. For a randomly selected student, let X-the number of points earned on the first part and Y the number of points earned on the second part. Suppose that the joint pmf of X and Y is given in the accompanying table p(x, y) 0 0.01 0.04 0.01 0.06 0.14 0.15 10 0.02 0.20 0.16 15 0.10 0.10 0.01 0 10 (a) Compute the covariance for X and Y. (Round your answer to two decimal places.) Cov(X, Y) -3.59 (b) Compute for X and Y. (Round your answer to two decimal places.) Need Help?Read It Talk to a Tutor

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.