Suppose x and y are continuous random variables with joint pdf given by a) find fx(x) b) find fy(y) c) are x and y independent? d) find the conditional pdf of x given y=y: fx|y(x|y) e) find e(x|y=y) for 0 ≤ y ≤ 1 f) find var(x|y=y) for 0 ≤ y ≤ 1

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Solving systems of linear equations: tables represent two linear functions in a systemöwhat is the solution to this system? 0 (10)0 (1.6)0 18,26)0 18-22)

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.