Mathematics Homework Solutions
Problem
#46708

word problem

I've attached the file.  I need to know if I'm going in the right direction (in the red font), if not could you explain?

(See attached file for full problem description)

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A person has 14 close friends.

(a) How many ways can she invite 8 of her 14 close friends to a holiday get-together.  Explain.

(b) Suppose that out of her 14 friends 8 are women and 6 are men.
(i)        How many groups of 8 people can she invite that contain 5   women and 3 men?  Explain.


(ii) How many groups of  8 people can she invite that contain at least 1 man?  Explain.


(iii) How many groups of 8 people can be formed that contain at most 5 women?  Explain.
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(See attached file for full problem description)

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word prob.doc
A person has 14 close friends.

How many ways can she invite 8 of her 14 close friends to a holiday
get-together. Explain.

C(14,8) = 14! = 14*13*12*11*10*9*8*7 = 3003

8!6! 8*7*6*5*4*3*2*1



Suppose that out of her 14 friends 8 are women and 6 are men.

(i) How many groups of 8 people can she invite that contain 5
women and 3 men? Explain.

C(8,5) C(8,3) = Is this how you start it out?



How many groups of 8 people can she invite that contain at least 1 man?
Explain.

C(8,1)

How many groups of 8 people can be formed that contain at most 5 women?
Explain.

C(8,5)
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