A coin is biased such that it results in 2 heads out of every 3 coin flips, on average. Which statement is true?

1. The theoretical probability of getting heads from an unbiased coin is about 66%.

2. The sequence HTHTTHTTT is valid for the biased coin.

3.The biased coin has about a 33% probability of displaying tails.

4.The sequence HTTHTHTHT is valid for the biased coin.

Question

A coin is biased such that it results in 2 heads out of every 3 coin flips, on average. Which statement is true?

1. The theoretical probability of getting heads from an unbiased coin is about 66%.

2. The sequence HTHTTHTTT is valid for the biased coin.

3.The biased coin has about a 33% probability of displaying tails.

4.The sequence HTTHTHTHT is valid for the biased coin.