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प्रश्न
If a digit is chosen at random from the digit 1, 2, 3, 4, 5, 6, 7, 8, 9, then the probability that it is odd, is
पर्याय
\[\frac{4}{9}\]
\[\frac{5}{9}\]
\[\frac{1}{9}\]
\[\frac{2}{3}\]
उत्तर
digits are chosen from 1, 2, 3 4, 5, 6, 7, 8, 9 are placed in a box and mixed thoroughly. One digit is picked at random.
TO FIND: Probability of getting an odd digit
Total number of digits is 9
Digit that are odd number are 1,3,5,7,9
Total number of odd digits is 5
`"We know that PROBABILITY "="Number of favourable event" /"Total number of event"`
Hence probability of getting an odd digit is `5/9`
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