Question: Can you help me with this question, thank u..* This question is about calculations based on random sample surveys of people. (a)It is believed that

Can you help me with this question, thank u..* This question is about calculations based on random sample surveys of people.

  1. (a)It is believed that 40% of the 20 adults in a village are supporters of ST102 FC. If this belief is correct, and four different people are picked at random and asked whether they support ST102 FC, what is the probability that exactly three will be supporters?
  2. (b)It is believed that 40% of the many thousands of adults in Holborn are supporters of ST102 FC. If this belief is correct, and 40 people are picked at random and asked about their allegiance, what is the probability that exactly twenty will be supporters?
  3. (c)It is believed that 40% of the many thousands of adults in Holborn are supporters of ST102 FC. If this belief is correct, and 100 people are picked at random and asked about their allegiance, what is the probability that at least thirty will be supporters?

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