Sarah is robbing a jewelry store, and she needs to get to the safe. to bypass the security, she needs to enter the 8-digit code into the keypad. the code can consist of the numbers 0 through 8 and the letters a to t. sarah also knows that if she gets the pass code wrong three times, the alarm will go off and she will be taken to jail. what is the probability that sarah gets the code right within the first three times?