Question

Help! Will reward best answer! Quick probability question help!

Twelve graduate students have applied for two available teaching assistantships. In how many ways can these assistantships be awarded among the applicants if...

(a) No preference is given to any one student?
(b) One particular student must be awarded an assistantship?
(c) The group of applicants includes eight men and four women and it is stipulated that at least one woman must be awarded an assistantship?

Answer 1

just draw diagrams

Answer 2

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