An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars over domestic.

Step 1 of 2 : Suppose a sample of 1418
new car buyers is drawn. Of those sampled, 354
preferred foreign over domestic cars. Using the data, estimate the proportion of new car buyers who prefer foreign cars. Enter your answer as a fraction or a decimal number rounded to three decimal places.

1 answer

Proportion of new car buyers who prefer foreign cars = Number of buyers who prefer foreign cars / Total number of buyers sampled
Proportion = 354 / 1418 = 0.249

Therefore, the proportion of new car buyers who prefer foreign cars is approximately 0.249 or 24.9%.