24. Make a probability model for the following. You have a raffle in which tickets cost $30. 1st prize is $2000 and has a probability of 1/1000
2nd prize is $300 and has a probability of 1/250
3rd prize is $150 and has a probability of 1/125

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?

Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so

The students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .