Answer: a)

b)

Explanation:
When you roll a six-sided die , then the total number of outcomes = 6
The number greater than 3= 4, 5 ,6
The favorable outcomes of rolling a 5 or a number greater than 3 = 4, 5 ,6
Then , the probability that the rolling a 5 or a number greater than 3 is given by :-

The favorable outcomes for the rolling a number less than 5 or an even number =2, 4
Then the probability that the rolling a number less than 5 or an even number :-
