# Search results

1. ### An introductory book on the Distribution of Prime Numbers and Riemann's Zeta Function

Hi everybody. I would like to find a book about the Distribution of Prime Numbers and the Riemann's Zeta Function. I know about the "classical" books: 1) Titchmarsh's "The Theory of the Riemann Zeta-Function" 2) Ingham's "The Distribution of Prime Numbers" 3) Ivic's "The Riemann...
2. ### A good book for an introduction to Algebraic Topology

Hi everybody. Next year I will start an undergraduate course on algebraic topology. Which book would you suggest as a good introduction to this matter ? My first options are the following: 1.- "A First Course in Algebraic Topology" by Czes Kosniowski 2.- "Algebraic Topology: An...
3. ### Shooting competition. What is the best option?

Hi everybody. I am fighting with the following problem: In a shooting competition, a team is composed by 2 shooters, who must shoot alternately. They have probabilities p1 and p2 to hit the target, being p1>p2. In order to be classified, a team must shoot 3 times and hit the target at...
4. ### Placing n numbered balls in n numbered cells

Hi everybody. I keep on reading Rohatgi's book "An introduction to Probability and Statistics". Just now I am working in the following problem: We have n cells numbered 1 to n and n balls numbered 1 to n. We place at random the n balls in the n cells, with no cell receiving more than one ball...
5. ### Conditional probability. Unable to prove the general result.

Hi everybody. I keep on reading Rohatgi's book "An introduction to Probability and Statistics" and I have worked out the following problem: "An urn contains r red marbles and g green marbles. A marble is drawn at random and its color noted. Then the marble drawn, together with c > 0 marbles of...
6. ### It seems easy, but I don't get it

Hi everybody. Once more, I need your help. The following is a problem that appears in Rohatgi's "An introduction to Probability and Statistics": "Each of n urns contains four white and six black balls, while another urn contains five white and five black balls. An urn is chosen at random...
7. ### Probability problem that is driving me crazy.

Hi everybody. I am reading the book "An introduction to Probability and Statistics", by V.K.Rohatgi and A.K. Ehsanes. I recommend it very much. I am trying to solve on of the problems but I have all tried, and I am not able to find the proper solution. The book gives the solution, but even...