A TV costs £800 plus Vat at 20%.
What is the total cost of the TV?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Which expression will have the same sum as 3_8 + 1/4?

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.