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In: Statistics and Probability

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

  1. In an earlier poll, it was determined that 55% of the population support the prime minister. Today, 100 people were polled and 50% of respondents approve. If these polls are conducted weekly, can one claim that the prime minister's popularity has decreased? Explain your thinking with the help of appropriate calculations.
  2. Research on a new medication shows it is 85% effective in relieving allergy symptoms. In other words, 85 in 100 people would report feeling better a day after taking the drug. How many users of the medication would have to be surveyed before being 99.9% sure that at least someone felt relief?

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Expert Solution


(there are more than 1 questions, as per policy i am answering first question)

TEST :

therefore, we can say that prime minister's popularity has decreased

(please UPVOTE)

orchestra answered 1 year ago
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