Consider the following distribution for the variable X, where X= the number of houses owned by a selected American adult. Assume a negligible proportions of adults own 4 or more houses. For american adults, what is the expected number of houses owned?
x 0 1 2 3
p(x) .35 .6 .04 .01
a) 0
b) 1
c) 1.5
d) .71
Answer: D) 0.71
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