For planning purposes, u.s. bancorp

For planning purposes, U.S. Bancorp has determined the probability distribution for the retirement age, X, of employees in the mortgage work group. The probability distribution for X is given in the table.

x
64
65
66
p(x)
0.1
0.7
0.2


Fill in the blanks. (Give your answers to one decimal place.)

1. The mean of X is _(Answer 1)_.

2. Suppose two employees from this work group are selected at random. Considering the probability distribution of the sample mean, x¯, the mean of x¯ is _(Answer 2)_. 

 
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