(1 point) Let xx and yy have joint density function p(x, y)={23(x+2y)0for 0≤x≤1,0≤y≤1,otherwise. p(x, y)={23(x+2y)for 0≤x≤1,0≤y≤1,0otherwise. Find the probability that (a) x>1/4x>1/4: probability = (b) x<14+yx<14+y: probability =

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.