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Week 2 Practice Quiz

Test your understanding of Joint Distributions.

Week 2 Practice Quiz

Question 1

If XX and YY are independent, and P(X=1)=0.5P(X=1) = 0.5, P(Y=2)=0.3P(Y=2) = 0.3, what is P(X=1,Y=2)P(X=1, Y=2)?

  • 0.8
  • 0.15
  • 0.2
  • 1.5
View Answer **Answer**: 0.15 **Explanation**: Since they are independent, $P(X=1, Y=2) = P(X=1) \cdot P(Y=2) = 0.5 \cdot 0.3 = 0.15$.