Discuss how you would explain to someone why the skewness of a distribution can be negative, but the variance and kurtosis of the same distribution can only be positive. is the distinction inherent in the concepts themselves, or is it just a by-product of the way they are calculated?

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?

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?