Probability Basicsmedium
0:00.0
A robotic explorer is placed at the origin on a 2D coordinate grid. Every second, it moves either 1 unit Up () or 1 unit Right () with equal probability. What is the probability that after exactly 4 moves, the explorer is at the coordinate ?
A robotic explorer is placed at the origin on a 2D coordinate grid. Every second, it moves either 1 unit Up () or 1 unit Right () with equal probability. What is the probability that after exactly 4 moves, the explorer is at the coordinate ?