Question

the dot plot above identifies the number of books read last summer by 40 library card holders. what fraction of library card holders read at least 6 books last summer?

Explanation:

Step1: Count the number of library card holders who read at least 6 books

At least 6 books means 6,7,8,9,10 books.
Number of holders who read 6 books: 4
Number of holders who read 7 books: 1
Number of holders who read 8 books: 4
Number of holders who read 9 books: 2
Number of holders who read 10 books: 4
Total number of holders who read at least 6 books: \(4 + 1+4 + 2+4=15\)

Step2: Calculate the fraction

The total number of library card holders is 40.
The fraction is \(\frac{15}{40}\) which simplifies to \(\frac{3}{8}\)

Answer:

\(\frac{3}{8}\)