After you complete your survey of students reported heights at your school, you discover that your sample is biased. exactly 10% of the students in your sample tended to over report their height more than the average student in the general population at the school. what conclusion can you reach about the mean of the average difference in your sample?

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 −