63. Ten people planned to go to picnic by sharing the expenditure cost equally. If one person withdraws from the arrangement at the last minute and the remaining people share equally the
entire cost of the picnic, then the share of each of the remaining persons increased by what
percent?

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?

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?