Four people with different heights line up randomly at a ticket booth. What is the probability that they are in height order from shortest to tallest? ( exact fraction in lowest terms)
* Im really not sure how to begin the problem.
Four people with different heights line up randomly at a ticket booth. What is the probability that they are in height order from shortest to tallest? ( exact fraction in lowest terms)
* Im really not sure how to begin the problem.
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