Mathematics, 20.09.2021 14:00 ShayMoore

Considered numbers (string) of length 8 over the 10 digit 0 to 9 . Suppose that the repetition old digits is allowed and that the numbers may begin the 10. (a) how many different numbers are there? (b) how many of these numbers contain at least two 2s? (c) what is the probability but a string of length 8 will contain at least two 2s?

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Considered numbers (string) of length 8 over the 10 digit 0 to 9 . Suppose that the repetition old d...