Uniform Distribution. The age of an eighth grader on September 1 at Random Middle School is uniformly distributed from 13.5 to 15.5 years. We randomly select one eighth grader from the class. Fill in “True” or “False”: The random variable X is defined as the possible values of the age of eighth graders between 12 and 15 years old.  The value of f(x) =  (round to two decimal places) The value of mean μ =  years. The value of standard deviation σ =  years. (round to two decimal places) The probability (in % terms) that the child is over 14 years old is  %. (round to two decimal places) The probability (in % terms) that the child is between 14.5 and 15 years old is  %. (round to two decimal places)

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Uniform Distribution. The age of an eighth grader on September 1 at Random Middle School is uniformly distributed from 13.5 to 15.5 years. We randomly select one eighth grader from the class.

  1. Fill in “True” or “False”: The random variable is defined as the possible values of the age of eighth graders between 12 and 15 years old. 
  2. The value of f(x) =  (round to two decimal places)
  3. The value of mean μ =  years.
  4. The value of standard deviation σ =  years. (round to two decimal places)
  5. The probability (in % terms) that the child is over 14 years old is  %. (round to two decimal places)
  6. The probability (in % terms) that the child is between 14.5 and 15 years old is  %. (round to two decimal places)

 

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