Acoin is biased such that it results in 2 heads out of every 3 coin flips, on average. which statement is true? . a.)the theoretical probability of getting heads from an unbiased coin is about 66%.. b.)the sequence hthtthttt is valid for the biased coin.. c.)the biased coin has about a 33% probability of displaying tails.. d.)the sequence htthththt is valid for the biased coin.. * *

Question 2 (essay worth 10 points) (03.02 mc) in δabc shown below, point a is at (0, 0), point b is at (x2, 0), point c is at (x1, y1), point d is at x sub 1 over 2, y sub 1 over 2, and point e is at the quantity of x sub 1 plus x sub 2 over 2, y sub 1 over 2: triangle abc is shown. point d lies on segment ac and point e lies on segment bc. a segment is drawn between points d and e. point a is at the origin. prove that segment de is parallel to segment ab.