In how many ways can 20 identical chocolates be distributed among 8 students such that each student gets at least one chocolate and exactly 2 students get at least 2 chocolates? (A) 308 (B) 280 (C) 300 (D) 320
(A) ${}^8C_2 \times {}^{11}C_1 = 308$
In how many ways can 20 identical chocolates be distributed among 8 students such that each student gets at least one chocolate and exactly 2 students get at least 2 chocolates?
(A) 308 \quad (B) 280 \quad (C) 300 \quad (D) 320