How to do 191st question?
2 Answers
Mar 16, 2018
See the answer below...
Explanation:
- When there is one lady, there is five gentleman in the committee. The ways to form the committee is
color(red)((""^6C_5xx""^5C_1)=30 .- When there is two lady, there is four gentleman in the committee. The ways to form the committee is
color(red)((""^6C_4xx""^5C_2)= 150 .- When there is three lady, there is three gentleman in the committee. The ways to form the committee is
color(red)((""^6C_3xx""^5C_3)=200 .- When there is four lady, there is two gentleman in the committee. The ways to form the committee is
color(red)((""^6C_2xx""^5C_4)=75 .- When there is five lady, there is one gentleman in the committee. The ways to form the committee is
color(red)((""^6C_1xx""^5C_5)=6 .The sum of the ways is
color(blue)(30+150+200+75+6)=461 That is my answer, I don't know why the option doesn't match.
Explanation:
Total number of possible outcomes,
Total number of unconditioned outcomes (
Total number of conditioned outcomes,
Key in your calculator,