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  3. in an earlier poll, it was determined that 55% of

In an earlier poll, it was determined that 55% of the population support the prime minister....

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Statistics

  1. In an earlier poll, it was determined that 55% of thepopulation support the prime minister. Today, 100 people werepolled and 50% of respondents approve. If these polls are conductedweekly, can one claim that the prime minister's popularity hasdecreased? Explain your thinking with the help of appropriatecalculations.
  2. Research on a new medication shows it is 85% effective inrelieving allergy symptoms. In other words, 85 in 100 people wouldreport feeling better a day after taking the drug. How many usersof the medication would have to be surveyed before being 99.9% surethat at least someone felt relief?

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