Cars
Suppose X = the Number of Cars Owned by a Family

question 177

Multiple Choice

Cars
Suppose X = the number of cars owned by a family in the U.S.The probability distribution of X is shown in the table below.
$\begin{array}{|l|c|c|c|c|}\hline X & 0 & 1 & 2 & 3 \\\hline \text { Probability } & 0.56 & 0.23 & 0.12 & 0.09 \\\hline\end{array}$
-{Cars Narrative} Suppose you choose two families at random.What is the chance that they each own one car? (That means family A owns a car and family B owns a car. )

• A) 0.23
• B) 0.23 + 0.23 = 0.46
• C) 0.23 + 0.23 - (0.23)*(0.23)= .4071
• D) (0.23)*(0.23)= 0.0529

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