You want to make a necklace with 5 beads on it; you have a bag that contains 5 differently colored beads. you draw a bead from the bag and string it on the necklace. then you draw another bead and add it to the necklace. this process is repeated until all of the beads are used. how many different color combinations are possible for the necklace?

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.