(a)[1]
Shade the region $P' \cup Q$ in the Venn diagram.
(b)[2]
Use the information to complete the Venn diagram.
(c(i))[1]
State the number of students who have brothers.
(c(ii))[1]
State the number of students who have cousins but not sisters.
(c(iii))[1]
Determine $n(B \cup S \cup C)'$.
(c(iv))[1]
Use set notation to state the set of students who have both cousins and sisters but not brothers.
(c(v))[1]
Find the probability that the student has cousins.
(c(vi))[3]
Calculate the probability that both students have brothers.
(c(vii))[1]
Explain why event $A$ and event $B$ are equally likely.