Ten > Sets

Asked by Atith Adhikari · 2 years ago

In a survey before an election, 65% of people liked leader A and 60% of people liked leader B. If 15% of people did not like to open their opinion about any of the leaders,

1. If A and B denote the set of people who like leader A and leader B respectively and n(U) = 100 then find n(A) and n(B).
2. Show the given information in a Venn-diagram.
3. Find the percentage of people who liked both the leaders by using the Venn diagram.
4. Find the percentage of people who like either of the leaders.