Sarah rolls 2 fair dice and adds the results from each. Work out the probability of getting a total that is a factor of 6.

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if