A group of students were asked to choose between blue and red, the colour they like 70% chose blue and 50% chose red. Each student in the group chose at least one of the two colours.
i. Represent the information on a Venn diagram.
ii .If 10 students chose both colours, find the number of students who chose:
a. only red
b only blue
iii. How many students were in the group?
+37157 Here is a quick sketch of Venn diagram if there were 100 % students:
if 10 reprsents 20 % then there were 50 students in the poll
25 choose only Blue 15 only red 10 both
