1. When randomly choosing two coins from a cup of coins that contains a penny, a nickel, a dime, and a quarter, what is the probability of choosing a penny and a nickel?

Z4=289 there should be 4 answers total 2 whole numbers and either 2square root or imaginary number answers

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?

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?