A certain company employs 9 senior officers and 4 junior officers. If a committee is to be created, that is made up of 3 senior officers and 1 junior officer, how many different committee are possible? Choose the correct choice from the following choices
A) 8
B) 24
C) 58
D) 336
E) 210
Number of ways to select 3 senior officers from 9 of them = 9C3 = 84 ways   Next we can determine the number of ways to select 1 junior officer.   number of ways to select 1 junior officer from 4 of them = 4C1 = 4 ways   Thus the number of ways to select 3 senior officers and 1 junior officer is 84 x 4 = 336 ways.   Answer: 336
<result>D</result>
A certain company employs 9 senior officers and 4 junior officers. If a committee is to be created, that is made up of 3 senior officers and 1 junior officer, how many different committee are possible?