Evan is training for a race on saturday. he wants to run a total of 12 miles total for the week before the race. on monday he ran 3 miles, on tuesday he ran 5 miles, he took wednesday and friday off. how many miles does he need to run on thursday to meet his goal? a) 0 miles- he has already met his goal. b) 1.5 miles c) 2 miles d) 4 miles

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.