Answers by visitors named: DoingTheSameCourse

question 3: If −1<x<1, fX(x)= 2/(pi) * sqrt(1-x^2) If −1<y<0, fY(y)= 1/pi * sqrt(1 - y^2) If 0<y<1, fY(y)= 3/pi * sqrt(1 - y^2)

1: a=0.1592 4b: 0.2122 5b is a pain. Did not find the correct answer so far.