3 digits are chosen at random from 1, 2, 3, 4, 5, 6, 7, 8 and 9 without repeating any digit.
What is the probability that their product is odd?
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Step-by-step explanation:
Three digits are chose at random from 1,2,3,4,5,6,7,8,9 without repetition.
Possible outcomes whose product is odd 5×4×3=60
Total outcomes 9×8×7=504
The probability that the product is odd =
504
60
=
42
5
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