Let x = the number of nonzero digits in a randomly selected zip code. what are the possible values of x? (note: u. s. domestic zip codes have exactly five digits with at least two nonzero digits.) 0, 1, 2, 3, ... 1, 2, 3, 4, ... 0, 1, 2, 3, 4, 52, 3, 4, 5

Question

Mathematics

Deanna Bauer

11 February, 23:30

Let x = the number of nonzero digits in a randomly selected zip code. what are the possible values of x? (note: u. s. domestic zip codes have exactly five digits with at least two nonzero digits.) 0, 1, 2, 3, ... 1, 2, 3, 4, ... 0, 1, 2, 3, 4, 52, 3, 4, 5

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Aidan Zavala · Answer 1

Let x = the number of nonzero digits in a randomly selected zip code. what are the possible values of x? (note: u. s. domestic zip codes have exactly five digits with at least two nonzero digits.)

Solution: The possible values of x are 2, 3, 4, 5. Hence the option 2,3,4,5 is correct.

Explanation:

We are given that U. S domestic zip-code consists of 5 digits and there zip-codes contains at least 2 non-zero digits. It means we can not see a zip-code with five zero's and a zip-code with four zero's.

Therefore, we can have zip-code containing 2 non-zero digits, 3 non-zero digits, 4 non-zero digits and 5 non-zero digits. Hence the possible values of x are 2,3,4,5