Question: the main line train starts at 5.00 am and the harbor line train starts at 5.02 am . 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 ?
A) . 5
B) 0.6
C) 0.4
D) 0.7
E) 0.8
Correct answer: e
Grade: 7 | Topic: Statistics and Probability | Difficulty: Hard | Standard: 7.SP.C.7