Mrs stephens drove through a total of 36 intersections on her way home from work last week. at 4 of every 16 intersections, mrs. stephens had to stop for for a red light before she could drive through. at how many intersections did mrs. stephens have to stop for a red light?

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 −