It is know that a box of 600 electric bulbs contains 12 defective bulbs. One bulb is taken out at random from this box. What is the probability that it is a non-defective bulb?

Explanation

Numbers of non-defective bulbs =`600-12=588`


n(E)=`588`


n(S)=`600`


P(E)=(n(E)/n(S)`=(588)/(600)=0.98`