Consider the following probability distribution. Complete parts a through d.
х 1 4 11
p(x) 1/3 1/3 1.3
a. Calculate u for this distribution.
5.33
(Round to the nearest hundredth as needed.)
b. Find the sampling distribution of the sample mean for a random sample of n = 3 measurements from this distribution. Put the answers in ascending order for x.
XI _ _ _ _ _ _ _ _ _ _
p(x) _ _ _ _ _ _ _ _ _ _
(Type an integer or a simplified fraction.)
