I will mark you brainlest! On Saturday Leon biked an average speed of 14.5 miles per hour for 1.5 hours. Then on Sunday he biked in average speed of 15 per hour for 2.75 hour. What was the total distance Leon bike in miles in weekend?

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.