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A survey on British Social Attitudes asked respondents if they had ever boycotted goods for ethical...

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Statistics

A survey on British Social Attitudes asked respondents if theyhad ever boycotted goods for ethical reasons (Statesman, January28, 2008). The survey found that 23% of the respondents haveboycotted goods for ethical reasons.

  1. In a sample of six British citizens, what is the probabilitythat two have ever boycotted goods for ethical reasons?
  2. In a sample of six British citizens, what is the probabilitythat at least two respondents have boycotted goods for ethicalreasons?
  3. In a sample of ten British citizens, what is the probabilitythat between 3 and 6 have boycotted goods for ethical reasons?
  4. In a sample of ten British citizens, what is the expectednumber of people that have boycotted goods for ethical reasons?Also find the standard deviation.

Answer & Explanation Solved by verified expert
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It is given thatPercentage of respondents who have boycotted goods for ethicalreasons23 Let us call it p which is the probability of a Britishcitizen who boycotted goods for ethical reasonsThere are only two possible outcomes of a British citizen ieeith boycott or    See Answer
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