A club has 30 members.a)If a committee of four is to be selected, how many ways can the selection be made?

Answer 1

In general, n choose k = n! / k! (n-k)!
so
30 choose 4 =30!/(4!(30-4)!)

Answer 2

don't be naive. If Hans Blix had come decrease back and suggested Saddam nevertheless had nerve gas Bush would not in any respect have lengthy gone in. He made the alternative after Blix shown that Iraq become frequently disarmed,then pretended to reject Blix's findings to apply elimination of WMDs as a criminal cover. If Blix were able to slightly subterfuge he would have claimed a lot of Sarin and Tabun. there is no way Bush would have lengthy gone up antagonistic to that. I gained't fault Blix for integrity yet he did inadvertently eco-friendly-mild an unlawful invasion. Bush of route become eagerly searching ahead to the Blix record earlier shifting ahead and that i'm certain that is why. He wanted to verify the invasion will be a cake-walk. Blix must have realized he become coping with a collection of demanding-boiled criminals who would cynically denounce his findings even as relishing the open field of crude danger for aggression they represented.

Answer 3

Due to the fact that this is an even number. Do five committe so each group as 6 members. Now one of the group should be nautral and they should be responsible for overseeing the rest of the committee.
"Two heads are better than one"
Good luck!
Rogue.

Answer 4

ok this is definatly combination. so 30 members and four to be chosen...
30!/(30-4)!x4=27405

Answer 5

30C4= 30!/(4!*26!)= 27405 ways