Which events have a probability of 1/2 ? Select two answers.

a.) Rolling a number greater than 6 on a six-sided number cube

b.) A flipped coin landing on tails

c.) A flipped coin landing on heads or tails

d.) Picking a blue marble from a bag of 6 red marbles and 4 blue marbles

e.) Rolling an odd number on a six-sided number cube

The events with a probability of 1/2 are:

b.) A flipped coin landing on tails

c.) A flipped coin landing on heads or tails