Question

You are flipping two fair coins. What is the probability that you get 2 heads or 2 tails?

Answer 1

1/2

our possible outcomes are

1) a head and a tail

2) a tail and a head

3) two tails

4) two heads

so for two heads and two tails we have

1/4 * 1/4 ===2/4(taking their lcm)

final answer is 2/4= 1/2

also relatable to 0.5

Answer 2

50 percent chance that it'll happen