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Use. Refer to Exercise 4.112.
In E 4.112
The Federal Highway Administration compiles information on motor vehicle use around the globe and publishes its findings in Highway Statistics. Following is a contingency table for the number of motor vehicles in use in North American countries, by country and type of vehicle, during one year. Frequencies are in thousands.
a. For a randomly selected vehicle, describe the events C1, V3, and (C1 & V3) in words.
b. Compute the probability of each event in part (a).
c. Compute P(C1 or V3), using the contingency table and the f/N rule.
d. Compute P(C1 or V3), using the general addition rule and your answers from part (b).
e. Construct a joint probability distribution. |
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