HELP ALREADY LATE PLEASE AM DESPERATE

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

52 cm radius = diameter = area = circumference = circumfer

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.