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  3. Foundations of Probability in R

Exercise

Simulating variance of sum of two binomial variables

In the last multiple choice exercise, you examined the expected value of the sum of two binomials. Here you'll estimate the variance.

Instructions

100 XP
  • Use your simulation of the variables X and Y to estimate the variance of X + Y.
  • Use your simulation to estimate the variance of 3 * X + Y.