Recent content by idioteque

  1. I

    Undergrad Chebyshevs theorem : find k so that at most 10%

    ok thank you. I got it. the keyword is above the mean. the value of k before the last 10% of each side(20%). so 80% is in between the 20% is how I interpreted it as it is. correct?
  2. I

    Undergrad Chebyshevs theorem : find k so that at most 10%

    'at most' 10%. why take the other remaining 80%? it asked for 'at most' 10%. doesn't this mean anything not greater than 10%? if it asked 'at least' 10% then anything greater than 10%
  3. I

    Undergrad Chebyshevs theorem : find k so that at most 10%

    to avoid being flamed for homework type of question, I added my own opinion towards this question. your help is very much appreciated.
  4. I

    Undergrad Chebyshevs theorem : find k so that at most 10%

    the test scores for a large statistics class have an unknown distribution with a mean of 70 and a standard deviation of 10 find k so that at most 10% of the scores are more than k standard deviations above the mean. I'm a bit confused by the question it self. does the question means : 1-1/k^2...