Harry's school is selling t-shirts to raise money for the archery team. the school will receive 35% of the total sales which can be modeled by the equation y = 0.35x, where x represents the total number of sales. what is the meaning of the x-intercept in the equation? a) schools percentage of the sales b) amount of money raised with no sales c) t-shirt suppliers percentage of sales d) number of sales when no money has been raised

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.