g Let X and Y have joint pdf given by f (x, y) = { kxy if x, y ∈[0, 1] 0 otherwise. (a) Find the value of k which makes this a pdf. (b) Compute P (X ≤ 1 2, Y ≤ 3 4). (c) Compute P (Y ≤X2). (d) Find the marginal pdfs for X and Y . Are X and Y independent?

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

The probability that you roll a two on a six-sided die is 1 6 16 . if you roll the die 60 times, how many twos can you expect to roll