Wednesday

April 1, 2015

April 1, 2015

Posted by **Marla** on Wednesday, February 3, 2010 at 10:35pm.

(a) If three persons are selected at random, what is the probability that all are women? (Round the answer to six decimal places.)

(b) If three persons are selected at random, what is the probability that two are women? (Round the answer to six decimal places.)

(c) If three persons are selected at random, what is the probability that one is a woman? (Round the answer to six decimal places.)

(d) If three persons are selected at random, what is the probability that none is a woman? (Round the answer to six decimal places.)

- Math -
**Reiny**, Wednesday, February 3, 2010 at 11:06pm130 women, 270 men

a) Prob(3 women) = C(130,3)/C(400,3) = 357760/10586800 = .033793

b) Prob(2 women 1 man) = C(130,2)xC(400,1)/C(400,3) = .316810

can you see how I am doing those?

see if you answer the last two yourself.

**Answer this Question**

**Related Questions**

college - Four hundred people apply for three jobs. 130 of the applicants are ...

math - i have no clue how to do this problem. any help would be appreciated...

math - Three men and three women are waiting to be interviewed for jobs. If they...

math - Three men and three women are waiting to be interviewed for jobs. If they...

math - Three men and three women are waiting to be interviewed for jobs. If they...

posibility - Three men and three women are waiting to be interviewed for jobs. ...

College Level Probability - Four different written driving tests are ...

statistics - Find the indicated binomial probabilities. Round to the nearest 3 ...

statistics - Find the indicated binomial probabilities. Round to the nearest 3 ...

MATH/Probability - our different written driving tests are administered by the ...