These are my current grade stats, tomorrow I have a test with 20 problems. Worst case scenario I get a 10/20 but 15/20+ is more probable (just using the worst case for this calculation) if I were to get the 50% on this test how much would my overall grade drop?

The ratios 3: 9, 4: 12, 5: 15, and 6: 18 are a pattern of equivalent ratios in the ratio table. which is another ratio in this pattern?

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true

Which will form a composite function?