Sorry.. I know this is a lot, but I really need help. I am timed and need answers. I would really appreciate if u could at least answer one if not all of them. Thank you s much! 1) A quality assurance check is 90% accurate for non-defective devices and 96% accurate for defective devices. Of the devices checked, 18% are defective. What is the probability of an incorrect conclusion? Round your answer to the nearest tenth of a percent.

2) You have a bag of 15 marbles: 5 blue, 3 red, 4 green, and 3 yellow. You draw 3 marbles without replacement. Which action, performed before the draws, increases the probability of drawing 3 green marbles in a row?
a. adding a red marble
b. adding a blue marble
c. removing a green marble
d. removing a yellow marble

3) Eight stuffed animals need to be arranged in a line. There is one bear and one zebra. What is the exact probability that the bear will be first in line and the zebra will be second?

4) You randomly select 2 marbles from a mug containing 6 blue marbles, 6 red marbles, and 3 white marbles. How many times greater is the probability of selecting 2 red marbles when you replace the first marble before selecting the second marble than when you do not replace the first marble before selecting the second marble?