Question: Refer to Exercise 12.50. Here, the term vehicle refers to either a U.S. car or truck currently in use. a. Determine the conditional distribution of

Refer to Exercise 12.50. Here, the term "vehicle" refers to either a U.S. car or truck currently in use.
a. Determine the conditional of age group for each type of vehicle.
b. Determine the marginal of age group for vehicles.
c. Are the variables "type" and "age group" for vehicles associated? Explain your answer.
d. Find the percentage of vehicles under 6 years old.
e. Find the percentage of cars under 6 years old.
f. Without doing any further calculations, respond true or false to the following statement and explain your answer: "The conditional distributions of type of vehicle within age groups are not identical."
g. Determine and interpret the marginal of type of vehicle and the conditional distributions of type of vehicle within age groups.

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