Asurvey was conducted with s students. 30% of those surveyed said that they have traveled out of the country. of the students who have never been out of the, 40 students want to eventually travel to another country. write an algebraic expression that represents the students who never want to travel to another country

Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?