There are three urns, and they are numbered 1, 2 and 3. Each urn contains 10 balls. For It : 1. 2, 3. urn It: has 2!: black balls and 10 2k white balls. For instance. urn 2 has 4 black balls and 6 white balls. \\ Consider the following experiment: an urn is chosen at random. and then a ball is chosen at random from the chosen urn. The experimenter does not know which urn was chosen. Given that the colour of the chosen ball is white, what is the probability that it is from urn 1? 1 Give your answer in three decimal places