Answer to Question #220003 in Statistics and Probability for Tin

Question #220003
Suppose a password of 4 characters, the first 2 being letters in the English alphabet and the last 2 being digits. Find the total number of ways a person can choose a password
1
Expert's answer
2021-07-25T17:18:12-0400

Repeats are allowed


"26^2\\cdot10^2=67600"

Repeats are not allowed


"26(25)(10)(9)=58500"


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