Posted by tina on .
Can any sample proportion less than 0.5 be used to support a claim that the population proportion is greater than 0.5?

statistics 
PsyDAG,
More data needed.

statistics 
jamie brice,
based on a random sample of 640 college students, the mean amount of sleep college students. construct a 95% confidence interval for the mean amount of sleep per night for college studenrs.