A study was conducted on the
minutes people spend browsing
websites. The time spent is normally
distributed with a mean of 4.5
minutes and a standard deviation of
1.2 About what percentage of
people spent between 4 and 6
minutes browsing the sites? *

Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)

Which number line correctly shows 0.8 + 0.3?

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?