act-dog

← Back to the test

Mathematics Preparing for Higher Math · Statistics & Probability Q21
Question 21 as printed in the ACT Practice Test 2 booklet
As printed in the official booklet.

Cameron’s bookshelf has 3 books with a rating of 10 , 5 books with a rating of 100 , and 2 books with a rating of 70 . There are no other books on the bookshelf. What is the expected value, to the nearest whole number, of the rating of a book randomly selected from Cameron’s bookshelf?

  1. A

    18

  2. B

    60

  3. C

    67

  4. D

    85

Source: Full-length ACT practice tests © ACT Education Corp., published free at act.org. Questions are retired items from previous ACT administrations. Go to the official source →

Extracted from a print-layout PDF: equations, figures and charts do not survive as text. Use the original PDF for anything that renders poorly. ACT® is a registered trademark of ACT Education Corp., which is not affiliated with, does not sponsor, and does not endorse this project.

id act_practice_pdf:pt2:math:021 · ACT · JSON