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.. * *

Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −