Consider the Following to Answer Questions

Multiple Choice

Consider the following to answer questions
Previous surveys reported that more men than women trade stocks online.A local
brokerage firm randomly selected a sample of investors.They found that 45 of 234 men
traded online and 42 of 251 women traded online.
-The 95% confidence interval for the difference in proportions is

A) 4% to 9%.
B) -4% to 9%.
C) 2% to 12%.
D) -2% to 12%.
E) -2% to -4%