Question
From 5 statisticians and 6 economists, a committee consisting of 3 statisticians and 2 economists is to be formed. How many different committees can be formed if:
a. two particular statisticians must be in the committee?
b. one particular economist cannot be in the committee?
a. two particular statisticians must be in the committee?
b. one particular economist cannot be in the committee?
Answers
elsa
a 200
b 565
b 565