Abaker is calculating the charge for two types of cookies. what formula tells the cost, in dollars, if chocolate chips cookies are $1.00/dozen and lemon frosted are $2.00/dozen? let c = number of dozens of lemon frosted; t= total charge.

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.