Results 1 to 3 of 3

Math Help - z=, check answer please. last one

  1. #1
    Member
    Joined
    Jun 2006
    Posts
    165

    Question z=, check answer please. last one

    For a score =140, mean =150,σ=4, z=____.

    140-150=-10
    10/4=-2.5
    -2.5 is my answer, thanks again for checking

    1. 2.4
    2. -2.4
    3. 2.5
    4. -2.5
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Global Moderator

    Joined
    Nov 2005
    From
    New York City
    Posts
    10,616
    Thanks
    9
    Looks right to me.
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Member
    Joined
    Jun 2006
    Posts
    165

    Smile thanks

    thank you for checking
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Can someone check my answer please?
    Posted in the Advanced Statistics Forum
    Replies: 2
    Last Post: January 25th 2010, 05:49 AM
  2. Can someone check my answer please?
    Posted in the Calculus Forum
    Replies: 2
    Last Post: August 5th 2009, 08:49 AM
  3. Please Check my Answer TIA
    Posted in the Pre-Calculus Forum
    Replies: 7
    Last Post: June 19th 2009, 08:15 PM
  4. Please check this answer
    Posted in the Pre-Calculus Forum
    Replies: 1
    Last Post: December 15th 2008, 09:19 PM
  5. check my answer
    Posted in the Trigonometry Forum
    Replies: 2
    Last Post: August 16th 2008, 10:54 AM

Search Tags


/mathhelpforum @mathhelpforum