Concept explainers
To calculate: The number of ways one could make an exacta bet, in horse racing, an exacta bet requires the better to pick the first two horses in the exact order, if there are
Answer to Problem 10CT
Solution:
There are
Explanation of Solution
Given information:
In horse racing, an exacta bet requires the better to pick the first two horses in the exact order, if there are
Formula used:
The number of arrangements of
Calculation:
In horse racing, an exacta bet requires the better to pick the first two horses in the exact order, if there are
Since the order of the horses matters use permutation to select two horses in the exact order from
Thus, here
Using the formula,
By writing
Therefore, there are
Chapter 13 Solutions
Precalculus
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