Answer:
8.3%
Step-by-step explanation:
To solve this question, we will use permutation.
Permutation helps us calculate the number of ways to order items. Basically we multiply the number of elements that can be placed first, then for second place until there is no empty place.
In this case, the probability of selecting Jim first is 1 over the total number of students that is 4.
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Answer: 40
Step-by-step explanation:
The 2nd and 4th expressions are the appropriate ones. Both result in '0' which means that Kiana is on the ground floor of the building at the end.
