You need at least 5 pounds of potatoes and onions. potatoes cost $4 per pound and onions $2. you can spend at the most $18.

a. define the variables

b. write a system of liner inequalities that represent this situation

c. graph the system of liner inequalities

d. is it possible to buy 5 pounds of potatoes and 2 pounds of onions in the situation? justify your answer

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?