Question

1. A market researcher wishes to determine what proportion of new-car buyers in her city are satisfied with their new car one year after the purchase. She feels ,correctly, that this assessment could be made quickly and effectively by sampling a small fraction of the new-car buyers. The persons selected will be asked if they are satisfied as opposed to not satisfied. Suppose that a sample of 250 randomly selected new-car purchasers are interviewed and 120 say they are satisfied.​

Answer 1

Answer:

Step-by-step explanation: