Recent content by ethame

  1. E

    What percentage of Ultra battery lifetimes fall between 719 and 1059 hours?

    yes, to clarify, you need to provide us first with the given MEAN and the given STANDARD DEVIATION before we can even begin to answer this problem. If you are not given that I do not know if you can solve this problem.
  2. E

    Chebyshev's Theorem and income

    you have to do as above but then go one step further...to get that 24... First create a line as below to help you visual the standard deviations... x-3s-------x-2s-------x-s-------x----------x+s--------x+2s------x+3s .05--------1.14------2.23-------3.32------4.41--------5.5--------6.59...
Back
Top