16. 4. 5. 13.5 17. 55.3 + 0.2 + 23.
19. Fishing Trip The sign at the right shows the costs for a
deep-sea fishing trip. How much will the total cost be for
1 adult, 2 children, and 1 senior citizen to go on a fishing
trip? Use mental math.

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.