Question

A survey reported in Time magazine included the question ‘‘Do you favor a federal law requiring a 15 day waiting period to purchase a gun?"" Results from a random sample of US citizens showed that 318 of the 520 men who were surveyed supported this proposed law while 379 of the 460 women sampled said ‘‘yes"". Use this information to find a 95% confidence interval for the difference in the two proportions

Answer 1

318/520 = 0.612

Explanation:

As the random sample of US citizen = 318

Men = 520

then

for 95% confidence interval

318 / 520 = 0.0612