There is a bag filled with 3 blue and 4 red marbles a marble is taken at random from the bag the colour is noted and then it's replaced another marble is taken at random what is the probability of getting at least 1 red?

Which is a graph of a proportional relationship?

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?