What is the estimate of the probability of selecting a red crayon or a yellow crayon from the bag?

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?

Asquare parking lot has 6,400 square meters what is the length in meters

How many bananas are in a fruit bowl that has 200 total apples and bananas if there are 31 bananas for every 93 apples