Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase

تمرين 82

Binomial Distribution: Histograms Consider a binomial distribution with n = 5 trials. Use the probabilities given in Table 2 of the Appendix to make histograms showing the probabilities of r = 0, 1, 2, 3,4, and 5 successes for each of the following. Comment on the skewness of each distribution.
(a) The probability of success is p = 0.50.
(b) The probability of success is p = 0.25.
(c) The probability of success is p = 0.75.
(d) What is the relationship between the distributions shown in parts (b) and (c)
(e) If the probability of success is p = 0.73, do you expect the distribution to be skewed to the right or to the left Why