Each spin is an independent event, and the result of the 15th spin is not influenced by the outcomes of the previous spins.
The correct answer is (C) : 12,7:1
Four students of class XII are given a problem to solve independently. Their respective chances of solving the problem are: \[ \frac{1}{2},\quad \frac{1}{3},\quad \frac{2}{3},\quad \frac{1}{5} \] Find the probability that at most one of them will solve the problem.
