An urn contains 10 marbles: 4 red, 3 white, 2 blue, and 1 orange. (4 points) (a) what is the probability of drawing a marble that is red or white? (b) what is the probability of drawing a marble that is neither red nor white? (c) what is the probability of drawing a pair of marbles, one red and one white at the same time? (d) what is the probability of drawing a pair of marbles, one blue and one orange at the same time?

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?