The probability that the sum of the three numbers on the balls selected from the box will be odd is 1/2.
The probability is computed by dividing the total number of possible outcomes by the number of possible ways the event might occur. Probability and odds are two distinct ideas. Odds are calculated by dividing the likelihood of an event by the likelihood that it won't.
Classical: (equally probable outcomes) (equally probable outcomes) Let S be the sample space (the collection of all unique outcomes that might occur).
Subjective Probability. Definition of Relative Frequency.
The right answer is C 1/2.
(even) = 1/2 (odd) = P (because there are 50 odd and 50 even numbers)
Only the following four situations will result in the sum of the three integers being odd:
Odd + Odd + Odd is 1/8.
Even + Even + Even equals 1/8 Even + Even + Odd equals 1/8
Even numbers will result from further odd and even combinations.
The likelihood of receiving an odd total of three numbers after adding up the four possibilities above is 1/2.
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