Two white and two black balls, kept in two bins, are arranged in four ways as shown below. In each arrangement, a bin has to be chosen randomly and only one ball needs to be picked randomly from the chosen bin. Which one of the following arrangements has the highest probability for getting a white ball picked?




In such type of situtations, highest probability of white ball occur only when one box has exactly one white ball and other box has remaining balls (Remember it)
Take out option (c)
Max prob. =

Note : Option (d) will given max prob. of drawing B ball
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