Imagine a lottery where balls numbered from 1 to 49 are placed in an urn and three are sequentially picked at random. Note that the same number (ball) cannot be picked twice (i.e., once a ball is picked, it remains out of the urn). You win the lottery if your ticket, which consists of three numbers from 1 to 49, has the exact numbers that were picked at random. The order in which the numbers are randomly picked does not matter. How many possible combinations does this lottery have? 110,544 19,608 117,649 18,424
Imagine a lottery where balls numbered from 1 to 49 are placed in an urn and three are sequentially picked at random. Note that the same number (ball) cannot be picked twice (i.e., once a ball is picked, it remains out of the urn). You win the lottery if your ticket, which consists of three numbers from 1 to 49, has the exact numbers that were picked at random. The order in which the numbers are randomly picked does not matter. How many possible combinations does this lottery have? 110,544 19,608 117,649 18,424
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 42SE: In horse racing, a “trifecta” occurs when a bettor wins by selecting the first three finishers in...
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