Question

In a bunch of 13 t-shirts only one is of medium size, which is correct fit for the searching person. Each time wrong size is picked, the person throws it away and pick the next t-shirt. What is the probability that the correct size t-shirt can be searched in 8th attempt ?

Answer 1

Answer:

5/13

Step-by-step explanation:

By multiplication rule

(12/13)*(11/12)*(10/11)*(9/10)*(8/9)*(7/8)(6/7)*(5/6)