A meeting has to be conducted with 5 employees.Find the number of ways in which the employees may be selected from among 9 employees,if 2 employees will not attend the meeting together.  Choose the correct choice from the following choices:  A) 1.35  B) 2.12  C) 3.91  D) 4.126  E) 5.15
9 employees, but two of them cannot attend the meeting together.   We can split it into two cases.   1. Meeting without these two employees in it. That would mean selecting 5, from the remaining 7 which is 7C5 = 21   2. Meeting with one of the two employees. select 1 manager from two, and then select 4 from the remaining 7, which is 2C1 X 7C4 = 70.   So, answer is   21 + 70= 
<gadget id="calculator">  21 + 70</gadget>
<output>91</output>
91.   Answer : 3.91
<result>C</result>
A meeting has to be conducted with 5 employees.Find the number of ways in which the employees may be selected from among 9 employees,if 2 employees will not attend the meeting together.