In 2005, the total waste generated in a certain country was 3772x10^9 pour Also in 2005, the country's population was 1.29x10^5 people Determine the garbage per capita (per person in that country in the year 2005
The country produced pounds of gange per person in 2005

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.