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14 April, 14:08

Twenty employees entered a company raffle for a spa day. One winner was drawn. The remaining entries went into a second drawing for baseball tickets. One winner was drawn. What is the probability that an employee wins baseball tickets, given they did not win the spa day?

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  1. 14 April, 14:49
    0
    After the spa drawing there are 19 people in the pool for the baseball tickets (the one is the spa winner).

    So the employee would have a 1/19 chance of winning the baseball tickets.

    This is a dependent probability or conditional event.
  2. 14 April, 16:59
    0
    The probability will be 1/19

    Because one employee was already drawn at the spa day.
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