Jessica cannot remember the correct order of the six digits in her ID number. She does remember that the ID number contains the digits 1, 0, 7, 3, 9, 5. What is the probability that the first five digits of Jessica's ID number will all be odd numbers?

Question

Mara

Mathematics

13 July, 21:34

Jessica cannot remember the correct order of the six digits in her ID number. She does remember that the ID number contains the digits 1, 0, 7, 3, 9, 5. What is the probability that the first five digits of Jessica's ID number will all be odd numbers?

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Jovany Ward · Answer 1

There is only one even number (0), so this probability equals the probability that the ID number ends with 0. One of the 6 digits has to come last, so the probability is 1 out of 6, ie., 1/6