The table below contains counts of mouth cancer for smokers and non smokers from a medical center.Seat Belt Use and Injury

Smoker?	Cancer?	Total (i.e., sample size)
Yes	No
Yes	459	11	470
No	9	321	330

Calculate a 95% Confidence Interval for the difference in proportions(p_smokersp_non-smokers)

Question 10 options:

(.927, .971)

(.027, .977)

(.972 ,.977

(9,459)