SOLUTION: 6 digit passwords are randomly assigned to students by the computer department when they begin their freshman year. Assuming each digit comes from the set 0-9, a. If no repetit

Question 433336: 6 digit passwords are randomly assigned to students by the computer department when they begin their freshman year. Assuming each digit comes from the set 0-9,
a. If no repetition is allowed, how many ways can the numbers be assigned?
b. What is the probablility that an assigned password will be 234567?
Thanks for your help!
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
If no digit can be repeated, then the number of unique passwords is 10C6;
10x9x8x7x6!/6!x4x3x2=210
a)210
b)The probability of any one particular password is 1/210.
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