Question

From a bin containing 15 numbered balls, five will be chosen randomly. Each ball has a different number—1 to 15—on it. Anyone who has a ticket with the sequence of numbers—in the order of selection—on the five balls selected will win $10,000.
a. How many different results (permutations) are possible?
b. You have one guess. How likely is it that you guess the winning sequence?
c. If order wasn’t important, how many different results (combinations) are possible?
d. You have one guess. How likely is it that you guess the winning combination ?


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  • CreatedJuly 16, 2015
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