Anew bruno's bakery uses 4/9 of a barrel of raisins each day. cosmo's bakery uses 6/5 as much raisins as the bruno's bakery. how many barrels of raisins does cosmo's bakery use in 3/7 of a week?

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.