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Median time to death

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Reference no: EM132122200

A biostatistician is investigating the time, T, to death of a mouse exposed to a newly developed pesticide. He finds that the pdf of T is given by the following formula  f(t) = 15t2e-5t3. Which of the following statements best describes the value of the pdf evaluated at t = .5, that is, f(.5)? Justify your answer.

  1. f(.5) is the median time to death.
  2. f(.5) is the rate of change in the cdf, F(t) at time t = .5
  3.  50% of all mice exposed to the pesticide will die before time f(.5).
  4. f(.5)% of all mice exposed to the pesticide will die.

Reference no: EM132122200

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