Asked by kay

Four hundred people apply for three jobs. 130 of the applicants are women.
(a) If three persons are selected at random, what is the probability that all are women?
(b) If three persons are selected at random, what is the probability that two are women?
(c)If three persons are selected at random, what is the probability that one is a woman?
(d) If three persons are selected at random, what is the probability that none is a woman?
Answered by Ms. Sue
Your school subject is NOT college.

Answered by kay
well can you please help me?
Answered by PsyDAG
There is no replacement.

(a) 130/400 * 129/399 * 128/398

This should give you an idea of how to proceed with the remaining problems.


Answered by Tanya
I have this very question and I am in my last year of college taking math as my last class after 4 years of college because it is challenging for me so that statement is incorrect it is a COLLEGE question!
Answered by Shut up Ms. Sue
Shut. Up.
Answered by Are you guys slow?
The SUBJECT shouldn't be "college", it should be 'MATH'. How does kay expect to get help when when she doesn't say what subject she needs help in?

Tanya you're slow..
Answered by quinton
a) P(choosing 3 women)= 130C3/400C3=0.03
b) P(choosing 2 women)=(130C2)(270C1)\400C3
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