Page 72 - Math SL HB Sem 3
P. 72
Statistics And prcbability
Erample:
On separate Venn diagram, using two evenrs A and B that intersect, shade the region
representing:
(a) in A but not in B
(b) neither in A nor B
Example:
If the Venn diagram alongside illustrales the number ofpeople in a sporting club who play
tennis (f) and hockey(tl), determine the number ofpeople:
a) in the club
b) who play hockey T A
c) who play both spors
d) who play neither sporr
e) who play at least one sport
7
Examplc:
In aclassof25 students, I9 study geography and I4 study historyanda[ srudents study ai
least one these subjecS-How many studenls sludy both geography and hisfory?
c