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From (8) men and (6) women (4) persons are to be selected with at least (2) women. How many ways are there?(8) पुरुषों और (6) महिलाओं में से (4) व्यक्ति चुनने हैं जिनमें कम से कम (2) महिलाएं हों। कितने तरीके हैं?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (665)(665)
The cases are (2), (3), and (4) women. The correct sum is (\binom{6}{2}\binom{8}{2}+\binom{6}{3}\binom{8}{1}+\binom{6}{4}=595).मामले (2), (3) और (4) महिलाओं के हैं। कुल (\binom{6}{2}\binom{8}{2}+\binom{6}{3}\binom{8}{1}+\binom{6}{4}=595) नहीं बल्कि सही जोड़ (420+160+15=595) है।
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