Ineed

the school debate coach must select a group of four from the 11-member team to go to the state championship. how many ways can the group be chosen?

a) 7,920
b) 7,133
c) 330
d) 24

answer:  

\boxed {\frac{1}{5}}  

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solution-

60 *   \frac{1}{5}   = 12

90 * \frac{1}{5} = 18

75 * \frac{1}{5} = 15

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hence, the answer would be \boxed {\frac{1}{5}}