It is found that 38% of the adults have been vaccinated. Find
(a) the probability exactly 4 adults have been vaccinated in a random sample of 10 adults. 1 (2 marks)
(b) the probability that at most 2 adults are vaccinated in a random sample of 6 adults. (3 marks)
(c) the number of adults that have to be selected so that the probability there is at least 1 adult that has been vaccinated is greater than 0.92. (5 marks)
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the probability exactly 4 adults have been vaccinated in a random sample of 10 adults. 1 (2 marks)
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