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What is the probability the second digit of the credit card number is a 3?
Wiki User
∙ 6y ago
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.
Wiki User
∙ 6y ago
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What is the probability that a 2 digit number is even?
The probability is 1/2.
What is the probability that a 3-digit number has an even digit in the hundreds place?
It is 4/9
What is the theoretical probability of the ones digit number is greater than the tens digit?
It is 0.45
What is the probability that a 2 digit number has a number 5 in the ten place?
.9
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What is the probability that a 2 digit number is odd?
The probability is 1/2.
What is the probability that a 2 digit number is even?
The probability is 1/2.
What is the probability that a 3-digit number has an even digit in the hundreds place?
It is 4/9
What is the theoretical probability of the ones digit number is greater than the tens digit?
It is 0.45
What is the probability that a 2 digit number has a number 5 in the ten place?
.9
If 5 is a factor of a number what is the probability that the ones digit of the number is 5?
1 out of 2
What is the probability of guessing the last digit of a phone number?
It is 1/10.
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The digit with the second greatest value in the number is '1'. its value is second to the largest number which is 2.
What is the probability of three digit numbers without repeated digits with numbers 0123456?
It is possible to create a 3-digit number, without repeated digits so the probability is 1.
If 5 is a factor of a number what is the probability that the onces digit of the number is also a 5?
1 out of 2
Why with random number repeat previous number often?
Given any random digit, there is a 10% probability that the next digit is the same. That is, the probability of the previous number repeating is 10%. Whether this constitutes often (as suggested by the question) or not is a matter of opinion.
