Research question: is there a relationship between liking baseball and liking football? study design: a sample of 400 individuals was obtained. each participant was asked two questions:

(1) do you like baseball? (yes/no) and
(2) do you like football? (yes/no) which of the following statistical analyses should be used to address this research question?

(60 points) explain this in detail

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?

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?