calculate

1. For each positive integer, calculate the number of ways it can be expressed as the sum of the square of any two integers. Denote the number of ways for a given number n to be P(n). You can use positive or negative integers in the sum. And, the order of the sum matters. In other words, 1^2...

If a person is asked 40 questions, each of them binary(yes or no type questions), then what is the probability of getting at least 35 of them correct? Help much appreciated. :)

What exactly are the chances of getting 3 aces on the flop, and me having the last ace in the deck?

Fun little site to help you plan the end of the world... http://www.lpl.arizona.edu/impacteffects/ I did a calculation on a 150 ft wide asteroid impacting 15 miles away... Final Crater Diameter: 2.57 km = 1.60 miles Visible fireball radius: 0.8 km = 0.5 miles Richter Scale Magnitude: 5.4 The...