There are 6 positive and 8 negative numbers. Four numbers are choosen at random and multiplied.the probability that the product is positive is:  Choose the correct choice from the following answers.
A) 500/1001  B) 503/1001  C) 303/1001  D) 301/1001  E) 505/1001
6c4/14c4 + (6c2*8c2)/14c4 + 8c4/14c4 =505/1001   case1: only 4 positive no.   case2: 2 positive and 2 negative no.   case3: 4 negative no.   ANSW505/1001R:505/1001
<result>E</result>
There are 6 positive and 8 negative numbers. Four numbers are choosen at random and multiplied.the probability that the product is positive is: