Search results

  1. S


    The length of time, , needed by students in a particular course to complete a two-hour exam is a random variable with PDF given by: f(x) = {k(x^2 +x ) 0 ≤ x ≤ 2 { 0 otherwise (a) Find the value of k that makes f(x) a valid pdf. (b) Sketch the pdf. (c) Find the cumulative distribution...
  2. S

    Probability Density Function

    A random number generator will spread its output uniformly across some interval. Let W be a randomlygenerated number between -1 and 4. (a) Sketch the probability density function (pdf). Be sure to include the height of the graph. (b) Find ( > 2.5). Include a sketch of the pdf, shade the...