Me!

by using relative frequency, barney estimates that the probability of his high school team winning a soccer match against the sweet valley high school team is 0.2. barney’s calculation is based on the results of 30 matches the two teams played. how many of these 30 matches did barney’s high school team win?

a.5
b.6
c.24
d.30

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 −