SOLUTION: a traffic signal is green for 25 seconds, amber for 10, and red for 25. when you reach the signal, what is the probability it will be red ? write in simplest form

SOLUTION: a traffic signal is green for 25 seconds, amber for 10, and red for 25. when you reach the signal, what is the probability it will be red ? write in simplest form

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Question 601722: a traffic signal is green for 25 seconds, amber for 10, and red for 25. when you reach the signal, what is the probability it will be red ? write in simplest form
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
P(red) = (time that signal is red)/(total time)

P(red) = 25/(25+10+25)

P(red) = 25/60

P(red) = 5/12
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