Suppose that a random sample of size 100 is to be drawn from a population with standard deviation 10.
a. What is the probability that the sample mean will be within 20 of the value of μ?
b. For this example (n = 100, μ = 10), complete each of the following statements by computing the appropriate value:
i. Approximately 95% of the time,  will be within ____ of μ.
ii. Approximately 0.3% of the time,  will be farther than ____ from μ.