Answer Happy

Ch 9 Assignment i 7 7.69 points Mc Graw Hill Check my work mode: This shows what is correct or incorrect for the work you have completed so far. It does not indicate completion. Point estimate of the population proportion X Answer is complete but not entirely correct. Exercise 9-42 (Algo) (LO9-3) Pharmaceutical companies promote their prescription drugs using television advertising. In a survey of 75 randomly sampled television viewers, 6 indicated that they asked their physician about using a prescription drug they saw advertised on TV. a. What is the point estimate of the population proportion? (Round your answers to 1 decimal places.) > Answer is complete but not entirely correct. Margin of error Saved 0.1% b. What is the margin of error for a 90% confidence interval estimate? (Round your answers to 2 decimal places.) 0.54 x Confidence interval for the proportion mean is between Yes No c. Compute the 90% confidence interval for the population proportion. (Round your answers to 3 decimal places.) d. Is it reasonable to conclude that 25% of the viewers discuss an advertised drug with their physician? < Prev Help Save & Exit and 7 of 13 Submit Next > Return to question