A lottery contains eight prizes and twenty blanks. If a lottery is randomly drawn, then what is the probability of getting a prize?1/82/52/71/5
Question
A lottery contains eight prizes and twenty blanks. If a lottery is randomly drawn, then what is the probability of getting a prize?1/82/52/71/5
Solution
To find the probability of getting a prize in the lottery, we need to determine the total number of possible outcomes and the number of favorable outcomes.
Total number of outcomes = number of prizes + number of blanks = 8 + 20 = 28
Number of favorable outcomes = number of prizes = 8
Therefore, the probability of getting a prize in the lottery is:
Number of favorable outcomes / Total number of outcomes = 8 / 28 = 2 / 7
So, the correct answer is 2/7.
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