You need to hang seven pictures in a straight line. In how many ways can this be accomplished. If the picture of your great grandfather must be in the middle, how many ways can the seven pictures be hung?

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?

Plz a. s. a. p.the table shows the number of male and female contestants who did not win a prize. what is the probability that a randomly selected contestant won a prize, given that the contestant was female? write the probability as a percent. round to the neares tenth, if needed.

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart