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In a certain lottery, five different numbers between 1 and 30 inclusive are drawn. These are the winning numbers. To win the lo...Asked by Greg
In a certain lottery, five different numbers between 1 and 31 inclusive are drawn. These are the winning numbers. To win the lottery, a person must select the correct 5 numbers in the same exact order in which they were drawn. What is the probability of winning?
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Answered by
MathMate
To get the first number right is 1 out of 31 choices.
For the second number, there are only 30 choices (five <i>different</i> numbers)...
So the probability of getting all five numbers right would be:
(1/31)(1/30)...(1/27).
For the second number, there are only 30 choices (five <i>different</i> numbers)...
So the probability of getting all five numbers right would be:
(1/31)(1/30)...(1/27).
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