1. A random force T ~ N(1.15, 0.015²) lb is applied to pull a bookmark with a width of 1 in. The weight of the book is W ~ N(10, 0.1²) lb, and the coefficient of static friction between the bookmark and the paper is µ_s=0.65. If the pages are 6 in. by 8 in., determine the probability the bookmark will start to move out. Assume the pressure on each page and the bookmark is uniform.

Answer: P=0.9998