For 0 ≤ x ≤ 1 let f(x) = kx(1 − x), where k is a constant. find the value of k such that f is a density function. 2. find the mean and variance of the distribution in the preceding exercise. gle. com/search? q=.+find+the+mean+and+variance+of+t he+distribution+in+the+preceding+ex ercise.& oq=.+find+the+mean+and+variance+of+ the+distribution+in+the+preceding+e xercise.& aqs=chrome..69i57.485j0j7& sourceid=chrome& ie=utf-8

What are the relative frequencies, to the nearest hundredth, of the rows of the two-way table? group 1: a 15 b 45 group 2: a 20 b 25

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x

Agraphic designer created a logo on eight and a half by 11 inch paper. in order to be placed on a business card, the logo needs to be one and 7/10 inches by 2 and 1/5 in. what is the scale factor of the dilation