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Only 8 of the last 25 times I drove to work was I able to make it across Main St without
having to stop at the traffic light there.
a. What is your best estimate of the probability that, next time I drive to work, I will make
it across Main St without stopping?
b. Over the next 50 times I drive to work, how many times would you expect that I will
make it across Main St without stopping?

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