A2004 gallup survey interviewed a nationally representative random sample of 560 teenagers aged 13 to 17; 60 acknowledged having smoked in the past week. (a) what parameter are we interested in? n, the number of teenagers in the sample p, the proportion of the u. s. population who are aged 13 to 17 p, the proportion of teenagers aged 13 to 17 who acknowledge having smoked in the week before their interview n, the number of people who smoke correct: your answer is correct. (b) give the numerical value of the point estimate for this parameter. 0.107 correct: your answer is correct. (use 3 decimal places) (c) calculate a 95% confidence interval for the parameter. (.0814 correct: your answer is correct. , .133 correct: your answer is correct. ) (use 3 decimal places)