Andrew plays football. on one play, he ran the ball 24 1/3 yards. the following play, he was tackled and lost 3 2/3 yards. the next play, he ran for 5 1/4 yards. estimate how much farther the ball is down the field after these three plays. round each mixed numbers to the nearest whole number

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.