b. 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...

b. 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. What is the probability that:
(i) exactly two persons will3 vote for party A?
(ii) at least three persons will vote for party A?

Extracted text: b. 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. What is the probability that: (i) exactly two persons will3 vote for party 4? (ii) at least three persons will vote for party 4?