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Math Help - probability problem 2

  1. #1
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    Unhappy probability problem 2

    4.51 A company employs 400 salespeople. Of these, 83 received a bonus last year, 100 attended a special sales training program at the beginning of last year, and 42 both attended the special sales training program and received a bonus. (Note: the bonus was based totally on sales performance.)
    a. What proportion of the 400 salespeople received a bonus last year?
    b. What proportion of the 400 salespeople attended the special sales training program at the beginning of last year?
    c. What proportion of the 400 salespeople both attended the special sales training program and received a bonus?
    d. What proportion of the salespeople who attended the special sales training program received a bonus?
    e. Based on your answers to parts a and d, does the special sales training program seem to have been effective? Explain your answer.
    Last edited by mr fantastic; March 9th 2009 at 11:50 PM. Reason: Spreading questions over several threads.
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    it seems obvious to me that these problems will affect your grade in a class somehow. in which case we cannot offer you any specific help, but only (maybe) very general guidelines. in what capacity are you allowed to receive help for these? show what you have attempted for these problems
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