Each Saturday morning Andy works 4 hours and earns $34 .At that rate, what does Andy earn for each hour he works estimate

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?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?