Question: Table 11.12 gives the probability function for the random variable giving the household size for a renter-occupied housing unit in the US. Table 11.12 (a)

Table 11.12 gives the probability function for the random variable giving the household size for a renter-occupied housing unit in the US.

Table 11.12

1 2 3 4 5 6 p(x) 0.362 0.261 0.153 0.114 0.061 0.027 0.022 (a) Verify that the sum of the probabilities is 1 (up to round-off error.)
(b) What is the probability that a unit has only one or two people in it?
(c) What is the probability that a unit has five or more people in it?
(d) What is the probability that more than one person lives in a US renter-occupied housing unit?

1 2 3 4 5 6 p(x) 0.362 0.261 0.153 0.114 0.061 0.027 0.022

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