Question

There are 8 books lettered A-H onthe shelf. If Scott randomly chosetwo books, what is the probabilitythat he chose books A and B?

Answer 1

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.

Step-by-step explanation:

Number of books = 8 Number of ways to select 2 books from 8.

`\begin{gathered} ^8C_2=(8!)/(2!(8-2)!) \\ \\ =(8!)/(2!6!) \\ \\ =28 \end{gathered}`

Final Answer:

28