If a car factory checks 360 cars and 8 of them have how many will have defects out of 1260

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?

Standard deviation of 19,29,21,22,23

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?