In a pet shelter that is occupied by 55% dollars and 45% cats 60% of the animals are brought in by concerned people who found these animals in the streets if 90% of the dogs are brought in by concerned people what is the percent of cats that are brought in by concerned people?

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?