Checkpoint 7.7.6. - 2 standard deviations from the mean.

Given p = 0.3 determine the following:
  1. For Binomial with n = 50, \(P(\mu - 2\sigma \le X \le \mu + 2\sigma)\)
  2. For Negative Binomial with r = 2, \(P(\mu - 2\sigma \le X \le \mu + 2\sigma)\)
Solution.
in-context