The main line train starts at 5.00AM and the harbor line train starts at 5.02AM.Each train has the frequency of 10 minutes. If a guy goes in the morning at a random time what is the probability of he getting main line train?	Choose one.
A) .5	B) 0.6	C) 0.4	D) 0.7	E) 0.8
out of 10 minutes there is only 2 minutes chance of getting harbour line train and there is 8 minutes chance for getting main line train.   So, probability = 8/10= 
<gadget id="calculator">8/10</gadget>
<output>4/5 = around 0.8</output>
0.8   ANSW0.8R:0.8
<result>E</result>
The main line train starts at 5.00AM and the harbor line train starts at 5.02AM.Each train has the frequency of 10 minutes. If a guy goes in the morning at a random time what is the probability of he getting main line train?