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OpenStudy (anonymous):
In a class of 20 pupils, 7 are left handed and 13 are right-handed. Five pupils are selected at random from the class; the order in which they are chosen is not important. (i) Find the number of possible selections in which 2 of the 5 are left-handed and 3 are right-handed.
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OpenStudy (a_clan):
7C2 + 13C3
OpenStudy (anonymous):
6006 is the answer
OpenStudy (anonymous):
thanks! Its timesed though not added
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