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Math Help - The Answer Plz

  1. #1
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    The Answer Plz

    If an investor purchased 50 shares of IBM stock at $85 per share, 90 shares at $105 per share,120 shares at $110 per share, and another 75 shares at $130 per share, what is the mean cost per share?
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by neverlosehope View Post
    If an investor purchased 50 shares of IBM stock at $85 per share, 90 shares at $105 per share,120 shares at $110 per share, and another 75 shares at $130 per share, what is the mean cost per share?
    \$\ \frac{5 \times 85+90 \times 105+120\times 110+75\times 130}{5+90+120+75}
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  3. #3
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    plz help me

    Mother’s age The following data give the number of births in the United States in the year 2000 by the age of the mother .the numbers of the children are given in thousands.

    Age of mother
    10-14
    15-19
    20-24
    25-29
    30-34
    35-39
    40-44
    45-49

    No. of birth
    9
    469
    1018
    1088
    929
    452
    90
    4


    (a)Find the mean age of a women who became a mother in 2000.
    (b) Find the median age of a woman who became a mother in 2000.
    Last edited by neverlosehope; October 18th 2007 at 09:28 AM.
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