A major car manufacturer was interested in whether its midsize car was selling consistently in two markets with respect to the annual income of the car purchasers. 500 new car buyers in Chicago and Miami were surveyed. In Chicago the following pattern was observed:

Low Income 30%

Middle Income 40%

High Income 30%

Among those surveyed in Miami, 100 belonged to the low-income category, 250 belonged to the middle-income category, and 150 belonged to the high-income category.

(1) What are the expected numbers of car purchasers for each income group if Miami sales among income groups were consistent with Chicago's (i.e.,