Mathematics, 25.11.2020 23:50, jayjayw64

In a certain country license plates consist of zero or one digit followed by four or five uppercase letters from the Roman alphabet. (a) How many different license plates can the country produce?(b) How many license plates have no repeated letter? (c) How many license plates have at least one repeated letter? (d) What is the probability that a license plate has a repeated letter?

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In a certain country license plates consist of zero or one digit followed by four or five uppercase...