My Math Forum Probability of identical numbers and repeated digits

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 August 16th, 2013, 02:42 AM #1 Newbie   Joined: Aug 2013 Posts: 2 Thanks: 0 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.
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

August 17th, 2013, 05:29 AM   #3
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Joined: Aug 2013

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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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