SOLUTION: In a survey of 1500 university students, 178 reported to be smokers. Test the sociologist claim that no more that 10% of university students are smokers. Use the 1% level of signif

Question 632570: In a survey of 1500 university students, 178 reported to be smokers. Test the sociologist claim that no more that 10% of university students are smokers. Use the 1% level of significance, and answer the following:
Ho:
Ha:
P-Value:

Conclusion:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
In a survey of 1500 university students, 178 reported to be smokers. Test the sociologist claim that no more that 10% of university students are smokers. Use the 1% level of significance, and answer the following:
Ho: p <= 0.10
Ha: p > 0.10
----
p-hat = 178/1300 = 0.1369
---
z(0.1369) = (0.1369-0.10)/sqrt(0.10*0.90/1300) = 4.7667
------------------
P-Value = P(z> 4.7667) = normalcdf(0.7667,100) = 0.0000009373..
Cheers,
Stan H.

RELATED QUESTIONS
Can you explain the steps on how to solve this? A university plans to enroll 1500 first... (answered by FrankM)

At a local college,178 of the male students are smokers and 712 are non-smokers. Of the (answered by Boreal)

In 2011, a U.S. Census report determined that 71% of college students work. A researcher... (answered by ewatrrr)

A university claim that their mean size class is no more than 32 students. To test this... (answered by rfer,Boreal)

At a local college, 10 of the male students are smokers and 490 are non-smokers. Of the... (answered by htmentor)

Suppose that the past history shows that 10% of college students are smokers. A sample of (answered by VFBundy)

A medical researcher says that at least 23% of adults are smokers. In a random sample 250 (answered by reviewermath,stanbon)

A medical researcher say that less than 25% of U.S. adults are smokers. In a random... (answered by Theo)

A class survey in a large class for first-year college students asked, "About how many... (answered by Boreal)