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Probability Theory - another question

  1. Jan 21, 2007 #1
    Question:
    Find out the birthday (month and day but not year) of a randomly chosen person. What is the sample space of the experiment. How many outcomes are in the event that the person is born in July?

    Attempt:

    We first must define the sample space. This is how I did it,

    S = {JAN1, JAN2, ... , JAN31, FEB1, FEB2, ..., FEB28, ..., OTHER_MONTH_DAY_COMBINATIONS}

    This can't be how I define it is it? This is not elegant in any way shape or form. Would someone push me in a better direction.

    Now for the next question:
    How many outcomes are in the event that the person is born in July?

    There is 31 July outcomes.
     
  2. jcsd
  3. Jan 21, 2007 #2
    I believe it is that ugly, but you forgot something; people can be born on February 29th (leap years)
     
  4. Jan 21, 2007 #3
    :) - stupid leap years will get you every time.

    Thanks mattmns, I appreciate the help!
     
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