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What kind of distribution does x have give name and

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Reference no: EM13645602

Suppose that 70% of eligible residents of Phelps county will actually vote in an upcoming election. Consider randomly selecting 10 eligible residents to take a poll. Let X be the number in the sample of 10 who will vote in the upcoming election.

  1. What kind of distribution does X have (give name and parameter values)?
  2. What is the expected number of residents in the sample who will vote?
  3. Calculate the probability that all 10 residents in the sample will vote.  
  4. Calculate the probability that X exceeds its mean value by more than 1 standard deviation.

Reference no: EM13645602

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