Becky is preparing a document for her environmental studies project. She wants to check her document for spelling and grammar errors. What function key should she use?

Which are not examples of chronic or persistent stress? moving

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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?