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3241004551 [841]
3 years ago
15

A box contains five keys, only one of which will open a lock. keys are randomly selected and tried, one at a time, until the loc

k is opened (keys that do not work are discarded before another is tried). let y be the number of the trial on which the lock is opened
Mathematics
1 answer:
alukav5142 [94]3 years ago
4 0
Each key is 1/5 the way for the door to be open
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