Adult visitors to an amusement park pay $40 for admission, while children are charged $25. Yesterday, a total of 625 people visited the park paying a total of $19,000 for admission. Drag and drop numbers in the boxes to create an equation which models this situation if x = the number of adult admission tickets sold and y = the number of child admission tickets sold yesterday.

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.