Question

Assume that a waiter receives credit card payments from n customers and accidentally mixes up the cards in a totally random way before returning them.

a) Assume that n = 4 and determine the probability that at least one customer will get the right card.

Answer 1

The answer should be 25%

because you are multiplying 1/4 by 100 and that gets 25.

Explanation:

Hope it helps. Sorry if I am wrong.