Post a New Question

GEOMETRY

posted by on .

The squares of a 3×3 grid of unit squares are coloured randomly and independently so that each square gets one of 5 colours. Three points are then chosen uniformly at random from inside the grid. The probability that these points all have the same colours can be expressed as a/b, where a and b are coprime positive integers. What is the value of a+b?

  • GEOMETRY - ,

    Have you got the answer??
    I'm so confused..
    I don't know how to solve

  • GEOMETRY - ,

    is it 458?

  • GEOMETRY - ,

    no not 458

  • GEOMETRY - ,

    so what's the answer?
    give me the solution..

  • GEOMETRY - ,

    1528

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question