Pin Numbers A student loan administrator distributes pin numbers to its debtors. Each
Chapter 8, Problem 48(choose chapter or problem)
Pin Numbers A student loan administrator distributes pin numbers to its debtors. Each pin consists of two letters followed by three numbers. (Assume repetition is allowed, and order is important.) (a) How many different pin numbers are there? (b) What is the probability a pin number selected at random ends in 000? (c) What is the probability a pin number selected at random begins with AA? (d) What is the probability a pin number selected at random begins with A and ends with 00? (e) What is the probability a pin number selected at random has a repeated letter and different numbers?
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