The probability is 20/50 = 0.4
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20% = 1 out of 5 = 1/5 = a fifth 50% = 1 out of 2 = 1/2 = a halve
Each outcome has a probability of 0.05
The probabiliy of selecting odd or prime numbers from 1 to 50. First find out the probability of selecting odd numbers : 25/50 is 1/2. Lets find out the probability of selecting prime numbers: 15 / 50 . so, total is 40/ 50 is 0.82.
50-50
Let's say you have $50. To find 20% of $50, you multiply 0.20 by $50.