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What is the probability that a seven-digit phone number has one or more repeated digits?
Assuming all digits are equally likely, then it is 0.9395.
However, that assumption is flawed since some numbers begin with 0. Some sequences are reserved and so on. So the distribution of numbers is NOT truly random and the above answer depends on all seven digit numbers being equally likely..
What else can I help you with?
What is the probability that an odd number between 1000 and 9000 contains no repeated digits?
2016/4000 = 0.504
What is the largest three digit number if no digits may be repeated?
The largest number with no repeated digits is 9,876,543,210 although it is 10 digits long, the largest 3 digit number with no repeated digits is 987
What is the largest 10-digit number with no repeated digits?
The largest ten digit number with no repeated digits is '9876543210'.
What is the greatest four-digit even number with no repeated digits?
The greatest 4-digit number with no repeated digits is... 9876
What is the smallest 10 digits number with no repeated digits?
1023456789
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.
What is the probability that an odd number between 1000 and 9000 contains no repeated digits?
2016/4000 = 0.504
What is the largest digits number with repeated digits?
The largest ten digit number with no repeated digits is '9876543210'.
What is the largest three digit number if no digits may be repeated?
The largest number with no repeated digits is 9,876,543,210 although it is 10 digits long, the largest 3 digit number with no repeated digits is 987
What is the largest 10-digit number with no repeated digits?
The largest ten digit number with no repeated digits is '9876543210'.
What is the greatest four-digit even number with no repeated digits?
The greatest 4-digit number with no repeated digits is... 9876
What is the largest six digits number with no repeated digits?
987654
What is the smallest 10 digits number with no repeated digits?
1023456789
What is the smallest 8-digits number with no repeated digits give you the answer?
10234567
What is the probability of a repeated number in random select?
infinite
What is the largest 10 digit number with no repeated number?
The largest ten digit number with no repeated digits is '9876543210'.
What is the smallest 6 digit number using the digits 12345?
Since there are only five different digits, a 6-digit number can only be generated if a digit can be repeated. If digits can be repeated, the smallest 6-digit number is 111111.
