1.) A direct marketing company would like to determine whether high and low income households differed in their response rate to promotional offers. It randomly selected 1000 low-income households and 1000 highincome household and mailed them both the same promotional offer. It recorded the number of high-income and low-income households responding to the promotional offer. What statistical test would you perform to determine whether the response rate differed between the two types of households? State the null and alternate hypothesis.