Math Problem Statement
Note: Please make sure to properly format your answers. All dollar figures in the answers need to include the dollar sign and any amount over 1,000 should include the comma ($2,354.67). All percentage values in the answers need to include a percentage sign (%). For all items without specific rounding instructions, round your answers to two decimal places, show both decimal places (5.06).
Shannon is traveling from New York City to Washington, D.C. She wants to go by train so she can see the views. Since she will be driving home with a family member, she only priced the cost of a one-way ticket on Amtrak for any time of day on February 15. Below is an ordered listing of all fares that were available for selection on that day.
a. Find the percentile rank for a fare of $119. b. Find the percentile rank for a fare of $272. c. Based on your first two answers, which train fare would have a percentile rank of approximately 82%?
Solution
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Math Problem Analysis
Mathematical Concepts
Percentile Rank
Interpolation
Formulas
Percentile Rank formula
Theorems
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Suitable Grade Level
Grades 10-12
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