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What is the probability of discovering

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A. What is the probability of discovering that your five best friends all have cellphone  numbers ending in 7?
(Hint: first determine the probability of a single telephone number ending with a 7. Then calculate for five independent occurrences.) & If you make a new friend tomorrow, what are the odds she will also have a cellphone
number ending in 7?

Reference no: EM13330976

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