Jin’s soccer team has 4 Coaches and 22 Players ,and His twin Sister’s team has 2 coaches and 11 players. If the relationship between the coaches is proportional throughout the league, which ordered pair could represent the total number of coaches and players in the entire league?

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.