Jim is in the 23rd percentile rank and Jessica is in the 59th percentile rank. The...
Jim is in the 23rd percentile rank and Jessica is in the 59th percentile rank. The variable is age and not at all normal. Is it possible to tell what proportion of people are older than Jim but younger than Jessica? If so, please calculate the number (in fraction, not percentage). If not, write 0 as the answer.
Homework Answers
Given that Jim is in the 23rd percentile rank and Jessica is in the 59th percentile rank. Thus 23% of people have age equal or less age than Jim and 59% of people have age equal or less than Jessica.
Now the proportion of people who are older than Jim but younger than Jessica is similar to the proportion of people whose age is between Jessica and Jim. Thus the require proport is 0.59-0.23 = 0.36= 9/25
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Jim is in the 23rd percentile rank and Jessica is in the 59th
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