For planning purposes, u.s. bancorp

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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)_.