Question 662460
one number is selected random from the four digit numbers that can be formed from the digits 1,2,3,4,5,6,7 find the probability that it is an odd number?
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the last digit determines odd vs even.
odd if last is 1,3,5,7,9
even if 2,4,6
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P(odd) = 5/7
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cheers,
Stan H.