Answer:
0.249 is the required proportion.
Explanation:
We are given the following in the question:
Sample size, n = 822
Number of people who preferred foreign cars over domestic, x = 205
We have to find the proportion of new car buyers who prefer foreign cars.
Formula:

Putting values, we get,

Thus, 0.249 is the proportion of the new car buyers who preferred foreign over domestic cars..