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According to California DMV, when a person is randomly selected, the number of vehicles owned and the corresponding probabilities are: 0 (0.024); 1 (0.381); 2
According to California DMV, when a person is randomly selected, the number of vehicles owned and the corresponding probabilities are:
0 (0.024); 1 (0.381); 2 (0.439); 3 (0.156)
a. Does the given information describe a probability distribution? Explain.
b. Assuming that a probability distribution is described, find its mean and standard deviation.
c. Use the range rule of thumb to identify the range of values for usual numbers of vehicles owned.
d. Is it usual for a person to own no vehicles? Explain.
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