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Question

A market research team compiled the following discrete probability distribution for families residing in Randolph County. In this distribution, x represents the number of evenings the family dines outside their home during a week.
x P(x)
0 0.30
1 0.50
2 0.10
3 0.10

The mean (average) value of x is _______________.
a) 1.0
b) 1.5
c) 2.0
d) 2.5
e) 3.0

Answer

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