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You forgot the combination for your lock.Each wheel has the numbers 0 through 9. What is the probability that you guess the combination correctly?
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4 votes
You forgot the combination for your lock.Each wheel has the numbers 0 through 9. What is the probability that you guess the combination correctly?

You forgot the combination for your lock.Each wheel has the numbers 0 through 9. What-example-1
User Pier Farrugia
by
8.8k points

1 Answer

3 votes

If repeating numbers are allowed:

We have 10 possible outcomes for each wheel.

10 x 10 x 10 = 1000

Probability of of guessing the combination = 1 /1000

User Scrpy
by
7.8k points
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