A lock on a bank vault consists of three dials, each with 30 positions. In order for
Question:
A lock on a bank vault consists of three dials, each with 30 positions. In order for the vault to open, each of the three dials must be in the correct position.
a. How many different possible dial combinations are there for this lock?
b. What is the probability that if you randomly select a position on each dial, you will be able to open the bank vault?
c. Explain why “ dial combinations” are not mathematical combinations expressed by Equation (4.14).
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a 303030 27000 b 130130130 000037 c I...View the full answer
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Related Book For 
Business Statistics A First Course
ISBN: 9780321979018
7th Edition
Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan
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