Question

Three marbles are assigned to three people and a box is addressed to them. The marbles are inserted into the boxes at random so that each box contains exactly one marble. Find the probability that at least one marble is sent in the proper box.

Answer 1

Answer = 2/3

Probability=number of favourable outcomes/ total number of outcomes

=4/6

=2/3

Answer 2

Answer:

total number of marbles are 3

There are 4 ways in which at least one marble is inserted in a proper box

Thus the required probability is = 6/4 = 3/2

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