A random sample of 50,000 college freshmen in the United States was asked if they prefer taking online courses.
I
a. Describe the population from which the sample was drawn. Use a
complete sentence.
b. Describe the inference that would be made in this study. Use a
complete sentence.

Simplify the expression. enter the correct answer.

Find cot x if sin x cot x csc x = √2

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 −