Brett built a scale model boat. The scale used was 1/2 inch to 4 1/2 feet. If the actual boat length is 36 feet, what is the length of the scale boat

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

Iam at home. /: i am playing video games. translate the following statement into symbolic form.

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?