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macgeek312 macgeek312
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6 years ago
The number of phone calls coming into a switchboard in the next five minutes will either be 0, 1, or 2. The probabilities are the same for each of these (1/3).
 
  If X is the number of calls arriving in a five-minute time period, what is the mean of X?
  A) 1/3
  B) 2/3
  C) 1
  D) 4/3
  E) None of the above
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schoolboy4367schoolboy4367
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6 years ago
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