Homework Help: Basic Statistics

Posted by Tammy on Thursday, March 22, 2012 at 3:07pm.

Historically, the proportion of adults over the age of 24 who smoke has been estimated to be .30. You want to take a sample to estimate the current proportion of adults over the age of 24 who smoke within 3% at 95% accuracy. When you completed the sample you found that 114 of those adults sampled over the age of 24 smoked. Develop a 95% confidence interval for the current proportion of adults over the age of 24 who smoke.

No one has answered this question yet.

Answer this Question

Related Questions

Statistics - According to a poll, 20% of adults smoke. In a random sample of 75 ...
statistics - According to a Harris Interactive poll conducted in 2009, 20% of ...
Statistics - In a survey of 1037 adults from the United States age 65 and over, ...
Statistics - In a Gallup poll of 1,038 adults, 540 saud that second-hand smoke ...
statistics - 2. Assume that the population proportion of adults having a college...
Statistics - In a Gallup poll of 1038 adults, 540 said that second-hand smoke is...
statistics - In a gallup poll of 1,038 adults, 540 said that second hand smoke ...
statistics - A random sample of 80 youths and a second random sample of 120 ...
statistics - 1. In a Gallup poll of 2,040 adults, 956 said that second-hand ...
Statistics - From random sample of 200 college students, 40 students indicated ...

For Further Reading

First Name:
School Subject:
Answer: