SOLUTION: Roberto's trolley runs every 45 minutes. If he arrives at the trolley stop at a random time, what is the probability that he will not have to wait more than 10 minutes?

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Question 79554This question is from textbook
: Roberto's trolley runs every 45 minutes. If he arrives at the trolley stop at a random time, what is the probability that he will not have to wait more than 10 minutes? This question is from textbook

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
He will have to arrive sometime in the last 10 minutes of the 45 minute period.
P(he does that)= 35/45=7/9
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Cheers,
Stan H.