Given:
There are 8 books lettered A-H on the shelf. If Scott randomly chose two books.
Required:
To find the probability that he chose books A and B.
Explanation:
Number of books = 8 Number of ways to select 2 books from 8.
[tex]\begin{gathered} ^8C_2=\frac{8!}{2!(8-2)!} \\ \\ =\frac{8!}{2!6!} \\ \\ =28 \end{gathered}[/tex]Final Answer:
28
