The College Board website provides much information for students parents
The College Board website provides much information for students, parents, and professionals with respect to the many aspects involved in Advanced Placement (AP) courses and exams. One particular annual report provides the percent of students who obtain each of the possible AP grades (1 through 5). The 2008 grade distribution for all subjects was as follows:
AP Grade Percent
1........ 20.9
2........ 21.3
3........ 24.1
4........ 19.4
5........ 14.3
a. Express this distribution as a discrete probability distribution.
b. Find the mean and standard deviation of the AP exam scores for 2008.
Membership TRY NOW
  • Access to 800,000+ Textbook Solutions
  • Ask any question from 24/7 available
    Tutors
  • Live Video Consultation with Tutors
  • 50,000+ Answers by Tutors
OR
Relevant Tutors available to help