Is there a detailed resource on Coral programming code? The main website only offers basics. I have a problem with if-then statements as it refers to expressing math and compound expressions.

Which option should u select to ignore all tracked changes in a document

Assume that there is a 4% 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 three independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

Which of these is most responsible for differences between the twentieth century to the twenty-first century?