Jacob mixes 1/3 cup of yellow paint for every 1/5 cup of blue paint to make green paint. How many cups of yellow paint are needed for 1 cup of blue paint? A. 2/3 cups

B. 1/2 cups

C. 1 1/2 cups

D. 1 2/3 cups

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.