|[http://www.textbooksonline.tn.nic.in/Books/Std10/Std10-Maths-EM-2.pdf Tamilnadu Textbook Class - X - Chapter - 12 - Probability Page No 299-234] | |[http://www.textbooksonline.tn.nic.in/Books/Std10/Std10-Maths-EM-2.pdf Tamilnadu Textbook Class - X - Chapter - 12 - Probability Page No 299-234] |