Gisella works at the R. O.M. in a kiosk selling handmade bracelet. Her earnings are represented by the formula E = 11n + 2b, where E is her earnings in dollars, h is the
number of hours worked and b is the number of bracelets she sells.
How many bracelets must she sell to earn $105 in 7 hours?

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.