Question

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 1/5C3
The probability that Mariah will not choose all mysteries can be expressed as 1 − 5C3/20C3

Answer 1

There are 20 C3 possible ways to choose 3 books to read.
There are 5 C3 possible ways to choose 3 mysteries to read.
The probability that Mariah will not choose all mysteries can be expressed as 1-5C3/20C3.  (These 3 Choices Are True)

There are 1 C3 possible ways to choose 3 books that are not all mysteries.
The probability that Mariah will choose 3 mysteries can be expressed as 1/5C3.
(These 2 Choices Are False)
Hope This Helps

Answer 2

Answer:

ABE,

Step-by-step explanation:

There are 20C3 possible ways to choose three books to read.

There are 5C3 possible ways to choose three mysteries to read.

The probability that Mariah will not choose all mysteries can be expressed as 1 − .