Ch9. 7. Pharmaceutical companies promote their prescription drugs using television advertising. In a survey of 70 random
Posted: Wed Jul 06, 2022 12:08 pm
Ch9. 7.
Pharmaceutical companies promote their prescription drugs usingtelevision advertising. In a survey of 70 randomly sampledtelevision viewers, 7 indicated that they asked their physicianabout using a prescription drug they saw advertised on TV.a. What is the point estimate of thepopulation proportion? (Round your answers to 1decimal places.)
b. What is the margin of error for a 90%confidence interval estimate? (Round your answers to 2decimal places.)
Pharmaceutical companies promote their prescription drugs usingtelevision advertising. In a survey of 70 randomly sampledtelevision viewers, 7 indicated that they asked their physicianabout using a prescription drug they saw advertised on TV.a. What is the point estimate of thepopulation proportion? (Round your answers to 1decimal places.)
b. What is the margin of error for a 90%confidence interval estimate? (Round your answers to 2decimal places.)