A train arrives at a station and waits 2 min before departing. Another train arrives at the station 18 minutes later, repeating
the cycle. Identify the probability that a train will be at the station when you arrive. HELP PLEASE!!!
1 answer:
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We need to simplify the expression:
Now, we know that we can resolve the exponents of the variables with the like terms only and we can multiply the coefficients independently:
Now,
On simplifying the above expression we get:
So the simplified form of the expression .