Ecn 221 The mean potassium content of a popular sports drink is listed as 139 mg in a 32-oz bottle. Analysis of 24 bottles indicates a sample mean of 137.5 mg. (a)State the hypotheses for a two-tailed test of the claimed potassium content.

Do graduates from uf tend to have a higher income than students at fsu, five years after graduation? a random sample of 100 graduates was taken from both schools. let muf be the population mean salary at uf and let mufsu be the population mean salary at fsu. how should we write the alternative hypothesis?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17