asmita9876
04.03.2020 •
Mathematics
13 people are in a race. If there are no ties , in how many ways can the first 3 places be awarded?
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Ответ:
A) 0.239
Step-by-step explanation:
This depends on precise meaning of "relative frequency." Three of the choices appear in the spreadsheet:
A) 0.239 is number of Juniors taking Spanish, divided by total number of students.
B) 0.436 is number Juniors taking Spanish, divided by total number of Juniors.
C) 0.547 is total number of Juniors divided by total number of students.
C and D are obviously wrong.
Absent a precise definition, some judgment is required to decide between A and B. Does "Relative" mean "relative to the class" or "relative to all Juniors and Seniors"? I think the latter, which is choice A.