How many digit (0,1,2,3,4,5,6,7,8,9) sequences of length 9 are there that contain at least 4 odd digits (1.3.5.7.9) and at least 4 even digits (0,2,4,6,8)? (Repetition allowed.)

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asked Feb 21, 2020 20.2k views

4 votes

How many digit (0,1,2,3,4,5,6,7,8,9) sequences of length 9 are there that contain at least 4 odd digits (1.3.5.7.9) and at least 4 even digits (0,2,4,6,8)? (Repetition allowed.)

Mathematics
college

Alasu Paul Sabrin asked

by Alasu Paul Sabrin

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I’m not sure what the answer is

Blacktrance answered Feb 27, 2020

by Blacktrance

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