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August 16th, 2013, 02:42 AM   #1
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Probability of identical numbers and repeated digits

This is a kind of two part question I hope someone can show me or answer.
If two dice are thrown what is the probability of getting two identical numbers or a total of five? and
How many even numbers in the range 1000-9999 have no repeated digits? Thanks.
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August 16th, 2013, 03:47 AM   #2
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Re: Probability of identical numbers and repeated digits

Quote:
Originally Posted by olliedee
If two dice are thrown what is the probability of getting two identical numbers or a total of five?
5/18

Quote:
How many even numbers in the range 1000-9999 have no repeated digits?
2296
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August 17th, 2013, 05:29 AM   #3
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Re: Probability of identical numbers and repeated digits

Quote:
Originally Posted by mrtwhs
Quote:
Originally Posted by olliedee
If two dice are thrown what is the probability of getting two identical numbers or a total of five?
5/18 So how did you find these is there a method I can use?

Quote:
How many even numbers in the range 1000-9999 have no repeated digits?
2296
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