Mathematics, 06.06.2020 12:57 angelina6836
It is known that 25% of inhabitants of a community favour a political party A. A random sample of 20 inhabitants was selected from the community and each person was asked he/she will vote for party A in an impending election. This follows a Binomial distribution, what is the probability that: (i) exactly two persons will vote for party A? (ii) at least three persons will vote for party A? (iii) fewer than two persons will vote for party A?
Answers: 2
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