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Credit card numbers are not randomly generated. The first few digits identify the card issuing company. The second digit of a card issued by American Express must be 4 or 7. With Diners Club and Carte Blanche, the second digit must be 0, 6 or 8. So the probability of the second digit being a 3 is 0 for two of the major issuers. Other card issuers have different starting sequences so you would need to know these rules. Furthermore, you cannot assume that all cards starting with a certain sequence have actually been issued. Going back to the Diners Club, example, you would need to know how many of the n0, n6 and n8 cards were actually issued. In short, searching for an answer to the question is futile.

Q: What is the probability the second digit of the credit card number is a 3?

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The probability is 1/2.

It is 4/9

It is 0.45

.9

Credit Profile Number - General term given to any nine digit or multi-digit number used to obtain credit. Examples of such numbers include the Social Security Number, the Taxpayer Identification Number, the Employer Identification Number, and the Credit Privacy Number.

Related questions

The probability is 1/2.

The probability is 1/2.

It is 0.45

It is 4/9

.9

1 out of 2

It is 1/10.

The CC number on a credit card, is the 16 digit number on the front. The CVC number, is the three-digit number on the back of the card, next to the magnetic strip.

The digit with the second greatest value in the number is '1'. its value is second to the largest number which is 2.

Credit Profile Number - General term given to any nine digit or multi-digit number used to obtain credit. Examples of such numbers include the Social Security Number, the Taxpayer Identification Number, the Employer Identification Number, and the Credit Privacy Number.

It is possible to create a 3-digit number, without repeated digits so the probability is 1.

1 out of 2