help withe this tow Question plz ?(adsbygoogle = window.adsbygoogle || []).push({});

Q1:

A pair of dice, one red and the other green, is rolled six

times. We know that the ordered pairs (1, 1), (1, 5), (2, 4),

(3, 6), (4, 2), (4, 4), (5, 1), and (5, 5) did not come up. What is

the probability that every value came up on both the red die

and the green one?

======================================================

Q2:

Let C be a chessboard that has m rows and n columns,

with m ≤ n (for a total of mn squares). For 0 ≤ k ≤ m, in

how many ways can we arrange k (identical) nontaking

rooks on C ?

**Physics Forums - The Fusion of Science and Community**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Rook polynomials

Loading...

Similar Threads - Rook polynomials | Date |
---|---|

I Predicting new polynomials from known ones | Oct 4, 2017 |

I Combinatorics - rooks on a chess board | Oct 24, 2016 |

Averaging polynomial curves | Jan 22, 2016 |

How good is a fit for a set of points? | Oct 31, 2014 |

Boolean polynomials in logic | Nov 6, 2013 |

**Physics Forums - The Fusion of Science and Community**