15. In the "secret" lock on the common axis are four disks, each of which is divided into five sectors, on which the numbers are written. The lock opens only if the disks are mounted so that the numbers on them make up a certain four-digit number. Find the likelihood that when installing disks randomly, the lock will open.
15. In the "secret" lock on the common axis are four disks, each of which is divided into five sectors, on which the numbers are written. The lock opens only if the disks are mounted so that the numbers on them make up a certain four-digit number. Find the likelihood that when installing disks randomly, the lock will open.
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 1T: Alice and Bill have four grandchild, and they have three framed pictures of each grandchild. They...
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![15. In the "secret" lock on the common axis are four disks, each of which is divided into five
sectors, on which the numbers are written. The lock opens only if the disks are mounted so
that the numbers on them make up a certain four-digit number. Find the likelihood that
when installing disks randomly, the lock will open.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6284f7be-894f-49f1-ae69-c80282f5d561%2Fa8acd07f-5bcb-4515-8c12-3afb4f832668%2Ffghxus_processed.jpeg&w=3840&q=75)
Transcribed Image Text:15. In the "secret" lock on the common axis are four disks, each of which is divided into five
sectors, on which the numbers are written. The lock opens only if the disks are mounted so
that the numbers on them make up a certain four-digit number. Find the likelihood that
when installing disks randomly, the lock will open.
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