77 / 261 Chapter 5: Probability Distributions CHAPTER 5 EXPERIMENTS: Probability Distributions 5-1 Genetic Disorder Three males with an X-linked genetic disorder have one child each. The random variable x is the number of children among the three who inherit the X-linked genetic disorder, and the probability distribution for that number of children is given in the table below. X P(x) 0 0.4219 |0.4219 2 0.1406 0.0156 Use Statdisk with the procedure described in Section 5-1 of this workbook for the following. Find the mean and standard deviation: Mean: St. Dev