Of the 30 students in Mr. Smith’s class, 7 of them participated in the school bake
sale. In Mrs. Johnson’s class, 5 of the 25
students in her class also participated.
Which class had a higher percentage of
students participate?

If 20% of a number is 35, what is 50% of that number?

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0

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?