ANSWER
Step-by-step explanation
From the given data;
Event A; Alternating even and odd numbers means;
EOE and OEO
Number of favourable outcome is 2 while number of possible outcome is 8
Hence, the probability of Event A IS;
In Event B; More even numbers than odd means having;
EEE,OEE,EEO and EOE
For Event C; an even number on both the first and the last rolls;
EEE and EOE