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s2008m [1.1K]
3 years ago
11

A locker combination has three nonzero digits and digits cannot be replaced. The first two digits are 9 and 8. What is the proba

bility that the third digit is 7?
Mathematics
1 answer:
Deffense [45]3 years ago
8 0

Answer:

1 in 7

Step-by-step explanation:

Your one-digit choices: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.

But they're nonzero, so: 1, 2, 3, 4, 5, 6, 7, 8, 9.

But they can't be repeated and 9 and 8 are used, so: 1, 2, 3, 4, 5, 6, 7.

Only 7 numbers left, so chances are, 1 in 7.

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We have that number of requests per month would be equal 1600

Now, the applications in hand would be:

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Which means that the time needed to finish an application is:

400/80 = 5 days

It takes 5 days to process an application.

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Step-by-step explanation:

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