+0  
 
0
1637
1
avatar

1.  Two numbers, x and y, are randomly chosen from the interval [0,1]. What is the expected value of (x+y)?

2.  A line segment is broken at two random points along its length. What is the probability that the three new segments can be arranged to form a triangle?

3.  Three points are selected randomly on the circumference of a circle. What is the probability that the triangle formed by these three points contains the center of the circle?

Guest Apr 18, 2015

Best Answer 

 #1
avatar+26750 
+6

Answer to part 1.

E(x+y) = E(x) + E(y) = 1/2 + 1/2 = 1

.

Alan  Apr 20, 2015
 #1
avatar+26750 
+6
Best Answer

Answer to part 1.

E(x+y) = E(x) + E(y) = 1/2 + 1/2 = 1

.

Alan  Apr 20, 2015

5 Online Users

avatar

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.