How many codes are possible if repeats are not allowed and the second letter must be 'P' and the second digit must be '2'? Answer: If the wrong code is entered the vault automatically locks and the alarm sounds. Suppose repeating letters and digits are allowed in the code. What is ther probability of a thief breaking into the vault if the thief has no prior knowledge of the secret code? Answer:
How many codes are possible if repeats are not allowed and the second letter must be 'P' and the second digit must be '2'? Answer: If the wrong code is entered the vault automatically locks and the alarm sounds. Suppose repeating letters and digits are allowed in the code. What is ther probability of a thief breaking into the vault if the thief has no prior knowledge of the secret code? Answer:
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 6ECP: In Pennsylvania’s Cash 5 game, a player chooses five different numbers from 1 to 43. If these five...
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A secret code for a bank vault consists of 4 letters, then 4 digits and then 2 more letters.
Transcribed Image Text:How many codes are possible if repeats are not allowed and the second letter must be 'P' and the second digit must be '2'?
Answer:
If the wrong code is entered the vault automatically locks and the alarm sounds. Suppose repeating letters and digits are allowed in the code. What is
ther probability of a thief breaking into the vault if the thief has no prior knowledge of the secret code?
Answer:
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