SOLUTION: A list of numbers consists of p positive and n negative numbers. If a number is picked at random from this list, the probability that the number is positive is 3/5. What is the val

Question 92936: A list of numbers consists of p positive and n negative numbers. If a number is picked at random from this list, the probability that the number is positive is 3/5. What is the value of n/p?
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
A list of numbers consists of p positive and n negative numbers. If a number is picked at random from this list, the probability that the number is positive is 3/5. What is the value of n/p?
PROBABILITY OF PICKING A POSITIVE NUMBER = P/(N+P)=3/5
HENCE
P/{(N+P)-P}= P/N =3/(5-3)=3/2
N/P = 2/3
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