Question 1

A.

Let f(X,Y) be the joint pdf of X and Y. Which of the following represents the marginal distribution function of Y? O A. L: :fdxdy A bin contains three balls marked with the numbers 2, 5, and 10. Consider a random sample of two balls selected from the bin (without replacement). Atable for the sampling distirbution of the sample mean is constructed below: x a 6 7'5 pa) 1/3 1/3 1/3 Find the value of ac