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Pharmaceutical companies promote their prescription drugs using television advertising. In a survey of 75 randomly sampled television...

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Basic Math

Pharmaceutical companies promote their prescription drugs usingtelevision advertising. In a survey of 75 randomly sampledtelevision viewers, 12 indicated that they asked their physicianabout using a prescription drug they saw advertised on TV.

Develop a 90% confidence interval for the proportion of viewerswho discussed a drug seen on TV with their physician.(Round your answers to 3 decimal places.)

Is it reasonable to conclude that 26% of the viewers discuss anadvertised drug with their physician?

Answer & Explanation Solved by verified expert
3.8 Ratings (547 Votes)
Given Sample size 75and No of successes x 12Sample Proportion 1001 CI for proportion is given by the formula 0090023090 confidence interval for the proportion    See Answer
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