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A randomly generated password has four characters. Each character is either A, B, C, D, E or F or a number from 0 - 9. Each character in the password can only be used once. What is the probability that a password has only one number?

A. 5/182
B. 10/91
C. 9/91
D. 9/364

Respuesta :

amna04352

Answer:

B. 10/91

Step-by-step explanation:

Total passwords:

16C4 × 4!

43680

Passwords with exactly one digit:

6C3 × 10C1 × 4!

4800

Probability

4800/43680

10/91

Answer:

The answer is B!!!

Step-by-step explanation:

NON

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