Find a counter example to show that the following statement is false _ + _ is a eight digit number

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

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.

Use the given information to determine the exact trigonometric value.