Bolt is in a foot race with Carl. Carl is running at a speed of 16.64 miles per hour, and Bolt is running at a speed 1.25 times
1 answer:
You might be interested in
Answer: A.
Step-by-step explanation:
Total digits on keypad = 5
According to permutation,
If repetition of digits is not allowed then the number of 5-digits passwords can be formed = 5!
= 5 x 4 x 3 x 2 x 1 [n!=n x (n-1) x (n-2)x ... x 1]
=120
The probability that someone guesses the correct code =
Hence, the correct option is A.