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Suppose 1% of people doesn’t have immunity against a new virus. Let P be the probability...

  1. Suppose 1% of people doesn’t have immunity against a new virus. Let P be the probability that there are 2, 3 or 4 people without immunity in a random sample of 100 people.
  1. Use binomial distribution to find P .
  1. Use normal approximation to the binomial distribution to find P .
  1. Use Poisson distribution to find P .
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