. Random variables X and Y have joint density function fX, Y px, yq " # 4e ´2x 0 ă y ă x ă 8 0 otherwise (a) Find the conditional density of X given Y " y. (b) Find the conditional density of Y given X " x. Describe the conditional distribution.

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Which of the following graphs represents the function f(x) = 2^x

Which statements are true about box plots? check all that apply. they describe sets of data. they include the mean. they show the data split into four parts. they show outliers through really short “whiskers.” each section of a box plot represents 25% of the data.