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Problem Solving (PS) | Re: A gardener is going to plant 2 red rosebushes and 2 white rosebushes.

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Bunuel wrote:

udaymathapati wrote:
A gardener is going to plant 2 red rosebushes and 2 white rosebushes. If the gardener is to select each of the bushes at random, one at a time, and plant them in a row, what is the probability that the 2 rosebushes in the middle of the row will be the red rosebushes?
A. 1/12
B. 1/6
C. 1/5
D. 1/3
E.½


We are asked to find the probability of one particularpattern : WRRW.

Total # of ways a gardener can plant these four bushes is the # of permutations of 4 letters WWRR, out of which
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