Loretta's aunt had 6 liters of water. she boiled liter for a recipe. she also watered two plants. she used liter for one plant liter for the other plant. the expression below represents the amount of water, in liters, loretta's aunt still has. what is the amount of water, in liters, loretta's aunt still has? (6 - ) - ( + )

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.