Question: For a binomial probability distribution; the probability of failure is 2/3 and variance is 40/9. The value of Standard deviation is _______________. 4 5/4 19/9

For a binomial probability distribution; the probability of failure is 2/3 and variance is 40/9. The value of Standard deviation is _______________.

  1. 4
  2. 5/4
  3. 19/9
  4. 20/3

If the probability of hitting the target is 0.4, find mean and variance.

  1. 0.6, 0.24
  2. 0.4, 0.24
  3. 0.6, 0.16
  4. 0.4, 0.16

For a binomial probability distribution; the probability of failure is 6/7 and mean is 4. The value of variance _______________.

  1. 4/5
  2. 4
  3. 5/4
  4. 24/7

Mean and variance of Poisson's distribution is the same.

  1. None of the above
  2. FALSE
  3. TRUE
  4. 1 and 0

If 'm' is the mean of a Poisson Distribution, then variance is given by ___________

  1. m
  2. m2
  3. m
  4. m2

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